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40results about How to "Improve power storage performance" patented technology

Power storage device and method for manufacturing the same

ActiveUS20110266654A1Improving interface characteristicResistanceFuel and secondary cellsFinal product manufactureEngineeringWhiskers
Provided is a method for manufacturing a power storage device in which a crystalline silicon layer including a whisker-like crystalline silicon region is formed as an active material layer over a current collector by a low-pressure CVD method in which heating is performed using a deposition gas containing silicon. The power storage device includes the current collector, a mixed layer formed over the current collector, and the crystalline silicon layer functioning as the active material layer formed over the mixed layer. The crystalline silicon layer includes a crystalline silicon region and a whisker-like crystalline silicon region including a plurality of protrusions which project over the crystalline silicon region. With the protrusions, the surface area of the crystalline silicon layer functioning as the active material layer can be increased.
Owner:SEMICON ENERGY LAB CO LTD

Poly-pyrrole minisize super capacitor based on MEMS technique and method for manufacturing the same

The invention discloses a polypyrrole minitype super capacitor in the range of the capacitor manufacturing technology based on MEMS technology and the preparation method thereof. The polypyrrole minitype super capacitor adopts the structure that a metal comb two-dimensional plane structure as a current collector is prepared on the surface of the silicon matrix by utilizing the micro-machining technology; a comb-shaped polypyrrole active electrode is prepared on the surface of the current collector by adopting the method of polypyrrole substance being prepared by the electric precipitation method; a layer of gel solid electrolyte is covered on the surface of the comb-shaped polypyrrole electrode and between a positive electrode and a negative electrode; and a layer of polyimide material is covered on the surface of the structure to accomplish the encapsulation of the minitype super capacitor. The MEMS-based manufacturing technology has the characteristic that the process is simple, and is suitable for mass manufacture. The minitype super capacitor has the advantages of small volume, high energy storage and stable performance, and is widely applicable to micro-robot electronic intelligence systems, chemical sensors, battlefield friend-or-foe identification devices, distributed type battlefield sensors and other fields.
Owner:TSINGHUA UNIV

Three dimensional structure micro zinc-nickel battery applying to microsystems and preparation method thereof

The invention discloses a three dimensional structure micro zinc-nickel battery applying to microsystems and a preparation method thereof, which belongs to the micro battery fabrication technique field. The structure of the micro zinc-nickel battery is as follows: preparing gold combdent two dimensional plane structural current collector on the silicon substrate surface by adopting micro processing technique, preparing three dimensional stereo space structural nickel microcolumn anode and zinc microcolumn cathode on the current collector surface, depositing nickel oxide active electrode substance on the nickel microcolumn anode surface, filling and covering a layer of gel-like solid electrolyte between the anode and cathode of the three dimensional stereo space structure, and covering a layer of polyimide material on the battery surface for finishing encapsulation of the micro zinc-nickel battery. The fabrication technique based on microsystems technique is characterized of simple technique, being suitable for batch production and the like. The micro zinc-nickel battery is characterized of small volume, high storage energy, stable performance and the like, which applies widely to micro robot electronic intelligent system, chemical sensor, battlefield friend or foe identification equipment, distributed battlefield sensor and the like.
Owner:TSINGHUA UNIV

Manufacturing method of power storage device

It is an object to improve performance of a power storage device, such as cycle characteristics. A power storage device includes a current collector and a crystalline semiconductor layer including a whisker, which is formed on and in close contact with the current collector. Separation of the crystalline semiconductor layer is suppressed by an increase of adhesion, whereby cycle characteristics in which a specific capacity of a tenth cycle number with respect to a first cycle number is greater than or equal to 90% is realized. In addition, cycle characteristics in which a specific capacity of a hundredth cycle number with respect to a first cycle number is greater than or equal to 70% is realized.
Owner:SEMICON ENERGY LAB CO LTD

Micro super capacitor applied for micro system and production process thereof

The invention discloses a micro supercapacitor applied to a micro system and a preparation method thereof, which belong to the manufacturing technology range of miniature supercapacitors. The preparation method comprises the following steps: drawing graphs of a micro capacitor and an array thereof on a silicon substrate through a mask and a photoetching method; preparing a layer of a metal film current collector and a layer of a ruthenium-oxide film cathode layer on the silicon substrate; spin-coating a layer of a polyimide sacrifice layer on the layers to obtain a required support body structure and a peripheral liquid storage cavity enclosure structure; spin-coating the sacrifice layer on the layers again and depositing an anode ruthenium-oxide active substance layer and a nickel film current collector layers in turn on the layers; perforating filling holes on the upper nickel layer and an oxide layer to fill an electrolyte in a cavity; and finally, covering a polymer film layer on the whole micro supercapacitor array again to finish an encapsulation process. The micro supercapacitor is provided with the unique support body structure and the liquid storage cavity structure, has the characteristics of small volume, large energy storage density, high discharge power, monolithic and the like, can be manufactured in batches, and has wide application prospect.
Owner:TSINGHUA UNIV

Preparation method of nitrogen-doped porous carbon material based on organic covalent framework

The invention provides a preparation method of a nitrogen-doped porous carbon material based on an organic covalent framework. The preparation method comprises the following steps: carrying out a solvothermal reaction on phenylenediamine and cyanuric chloride in a 1,4-dioxane-mesitylene-acetic acid mixed solvent, repeatedly washing the product with tetrahydrofuran and methanol, drying and grindingto obtain a precursor; and calcining the precursor in a nitrogen atmosphere, thereby obtaining the nitrogen-doped porous carbon material. The carbon material has large specific surface area, low density and high nitrogen content, is applied to a super-capacitor negative electrode material and has excellent electrical storage property and cycling stability. The nitrogen-doped porous carbon material has excellent performance.
Owner:NORTHWEST NORMAL UNIVERSITY

Power storage device electrode, method of manufacturing same, and power storage device including same

For achievement of a power storage device electrode having a high capacity density and a high energy density, a method of manufacturing the same and a power storage device including the same, there is provided a power storage device electrode serving as at least one of a positive electrode and a negative electrode which constitute a power storage device. The power storage device electrode contains an active material including: (A) an electrically conductive polymer; and (B) an anthraquinone compound having at least two amino groups and a structure represented by Formula (1) below.
Owner:NITTO DENKO CORP

Zinc-manganese dry battery with improved structure and preparation process of zinc-manganese dry battery

The invention relates to the technical field of dry batteries, and in particular relates to a zinc-manganese dry battery with an improved structure and a preparation process of the zinc-manganese dry battery. The zinc-manganese dry battery comprises a zinc cylinder, pulp paper, a base, a positive electrode material, an isolation sheet, a carbon bar, a sealing unit, a positive electrode cap and a cover, wherein the sealing unit is a sealing ring; the sealing ring comprises a central column, a peripheral part and a connecting sheet; the central column is arranged in the center of the sealing ring; the peripheral part is arranged at the edge of the sealing ring; the connecting sheet is connected with the central column and the peripheral part; a through hole through which the carbon bar penetrates is formed in the central column; and the lower end of the through hole is gradually expanded outwards. The lower end of the through hole is gradually expanded outwards, so that the size of the lower part of the through hole is slightly greater than that of the upper part of the through hole, providing coating space in the through hole for a sealant, the carbon bar can be well aligned with the through hole during penetration, is convenient to install, and can be prevented from being scratched when being aligned with the through hole and penetrating through the through hole, so that assembling is facilitated. According to the preparation process, the production process is simplified, and the production cost and the labor cost are reduced.
Owner:东莞市凌力电池有限公司

Preparation method of lithium ion battery and supercapacitor electrode material

The invention discloses a preparation method of a lithium ion battery and a supercapacitor electrode material. The preparation method comprises following steps: 1, two dimensional metal oxides and sulfides, and oxidized graphene are weighed at a certain mass ratio and are mixed to be uniform; 2, an obtained mixture is subjected to ball millilng so as to obtain a composite material formed via ordered stacking of metal oxides and sulfides / graphene, wherein the mass ratio of the metal oxides and sulfides to graphene is controlled to be x:1, 1<=x<=14, and the metal oxides and sulfides are MoS2, MoO3, V2O5, or VS2. According to the preparation method, in ball milling processing, oxidized graphene is reduced gradually, and peeling is realized gradually; peeling of the two dimensional metal oxides and sulfides is realized gradually; assembling of the oxidized graphene with the two dimensional metal oxides and sulfides is realized, so that transmission capability of charges in the two mediumsis increased, electrode material rate capability is improved; the existing of graphene is capable of increasing material flexibility, improving the volume effect resistance of the supercapacitor electrode material in charge and discharge process, and increasing electrode material cycling stability.
Owner:苏州市洛肯电子科技有限公司

Temperature measuring device on motion device and temperature measuring method of temperature measuring device

The invention provides a temperature measuring device on a motion device. The temperature measuring device comprises a generating device and a temperature collecting device. The generating device comprises a generator producing an induced current, a rectification filtering circuit and a voltage stabilizing circuit, and therefore the kinetic energy of the motion of the motion device is converted into electric energy, and the stable voltage is obtained. A temperature sensor in the temperature collecting device is arranged at the position to be measured and transmits collected temperature signals to a controller to be converted to be output. According to the scheme, the kinetic energy of the motion device is converted into the electric energy through the design of the generating device, resources are saved, and the problems that in the prior art, the service life of a temperature measuring device of a vibration tank is short, the interior temperature of the materials cannot be truly reflected, interference is prone to being caused, and a power source is difficult to arrange are solved. The temperature measuring device has the advantages of being long in transmission distance, short in response time, high in anti-interference capability, stable and protection level, easy to design and low in power consumption and cost.
Owner:CHINA TOBACCO GUANGXI IND

Poly-pyrrole minisize super capacitor based on MEMS technique and method for manufacturing the same

The invention discloses a polypyrrole minitype super capacitor in the range of the capacitor manufacturing technology based on MEMS technology and the preparation method thereof. The polypyrrole minitype super capacitor adopts the structure that a metal comb two-dimensional plane structure as a current collector is prepared on the surface of the silicon matrix by utilizing the micro-machining technology; a comb-shaped polypyrrole active electrode is prepared on the surface of the current collector by adopting the method of polypyrrole substance being prepared by the electric precipitation method; a layer of gel solid electrolyte is covered on the surface of the comb-shaped polypyrrole electrode and between a positive electrode and a negative electrode; and a layer of polyimide material iscovered on the surface of the structure to accomplish the encapsulation of the minitype super capacitor. The MEMS-based manufacturing technology has the characteristic that the process is simple, andis suitable for mass manufacture. The minitype super capacitor has the advantages of small volume, high energy storage and stable performance, and is widely applicable to micro-robot electronic intelligence systems, chemical sensors, battlefield friend-or-foe identification devices, distributed type battlefield sensors and other fields.
Owner:TSINGHUA UNIV

Heat dissipation type nickel-metal hydride battery

The invention provides a heat dissipation type nickel-metal hydride battery. A main body is a cylindrical nickel-metal hydride battery and is formed by arranging a roll core in a casing. The heat dissipation type nickel-metal hydride battery further comprises a heat dissipation rod, and the heat dissipation rod is a cylinder with the same height as the nickel-metal hydride battery and is filled with condensed fluid. The roll core is formed by parallel connection of a plurality of sub roll cores, and the sub roll cores respectively surround the heat dissipation rod. The heat dissipation type nickel-metal hydride battery is simple in structure, the heat dissipation rod is added on the basis of a traditional nickel-metal hydride battery, the sub roll cores in parallel connection are arranged around the heat dissipation rod, the problem that the nickel-metal hydride battery generates excessive heat in the using process can be effectively solved; and the nickel-metal hydride battery is good in electric storage performance and high in use efficiency. A heat dissipation device comprises cooling fins and an isolation casing; the cooling fins are a plurality of independent heat conduction blocks and are good in heat conduction effect; and the isolation casing has the effect of electric leakage resistance and avoids the short circuit caused by the contact between the roll core and the cooling fins.
Owner:ANHUI INNOVATION NEW ENERGY

Flexible lithium-sulfur battery positive electrode material, and preparation method and application thereof

The invention relates to a flexible lithium-sulfur battery positive electrode material, and a preparation method and application thereof. The preparation method comprises the following steps: S1, dissolving elemental sulfur in an organic solvent to obtain a sulfur solution; S2, adding a carrier carbon material into the sulfur solution, uniformly mixing, and then removing the organic solvent to obtain a sulfur-carbon compound; and S3, dispersing the sulfur-carbon compound in a poor solvent of sulfur, adding a skeleton carbon material, uniformly mixing, and removing the poor solvent to obtain the flexible lithium-sulfur battery positive electrode material. The preparation method provided by the invention is simple in process, cheap and easily available in raw materials and convenient to operate; and the prepared flexible lithium-sulfur battery positive electrode material has excellent conductivity and electricity storage performance.
Owner:SUN YAT SEN UNIV

Micro super capacitor applied for micro system and production process thereof

The invention discloses a micro supercapacitor applied to a micro system and a preparation method thereof, which belong to the manufacturing technology range of miniature supercapacitors. The preparation method comprises the following steps: drawing graphs of a micro capacitor and an array thereof on a silicon substrate through a mask and a photoetching method; preparing a layer of a metal film current collector and a layer of a ruthenium-oxide film cathode layer on the silicon substrate; spin-coating a layer of a polyimide sacrifice layer on the layers to obtain a required support body structure and a peripheral liquid storage cavity enclosure structure; spin-coating the sacrifice layer on the layers again and depositing an anode ruthenium-oxide active substance layer and a nickel film current collector layers in turn on the layers; perforating filling holes on the upper nickel layer and an oxide layer to fill an electrolyte in a cavity; and finally, covering a polymer film layer on the whole micro supercapacitor array again to finish an encapsulation process. The micro supercapacitor is provided with the unique support body structure and the liquid storage cavity structure, has the characteristics of small volume, large energy storage density, high discharge power, monolithic and the like, can be manufactured in batches, and has wide application prospect.
Owner:TSINGHUA UNIV

Power storage device

A power storage device in which silicon is used as a negative electrode active material layer and which can have an improved performance such as higher discharge capacity, and a method for manufacturing the power storage device are provided. A power storage device includes a current collector and a silicon layer having a function as an active material layer over the current collector. The silicon layer includes a thin film portion in contact with the current collector, a plurality of bases, and a plurality of whisker-like protrusions extending from the plurality of bases. A protrusion extending from one of the plurality of bases is partly combined with a protrusion extending from another one of the plurality of bases.
Owner:SEMICON ENERGY LAB CO LTD

Nonaqueous electrolyte and electricity storing device in which same is used

Disclosed are a non-aqueous electrolytic solution, which can improve cycle characteristics when a power storage device is used at high temperature and high voltage, and a power device using the same. The non-aqueous electrolytic solution according to the present invention comprises, in addition to a non-aqueous solvent and an electrolyte salt dissolved therein, a compound represented by the following formula (I):wherein n is an integer of 1 or 2; and when n is 1, L represents a straight or branched unsaturated hydrocarbon group of which at least one hydrogen atom is optionally substituted by a halogen atom, a cycloalkyl group of which at least one hydrogen atom is optionally substituted by a halogen atom, or an aryl group of which at least one hydrogen atom is optionally substituted by a halogen atom; and when n is 2, L represents a saturated or unsaturated divalent hydrocarbon group which optionally contains ether bond(s), or an arylene group.
Owner:MU IONIC SOLUTIONS CORP

Preparation method of spatial network-like Fe2O3 composite material electrode

The invention discloses a preparation method of a spatial network-like Fe2O3 composite material electrode. The method comprises the following steps of: a, cleaning an iron sheet; b, preparing sol-gel acidic solution; and c, preparing the composite electrode. Compared with the prior art, the preparation method has the advantages of high repeatability, easiness and convenience in operation, low energy consumption, ultra-high electric capacity of 688 F / g, quick charging and discharging under large current density, low cost and suitability for industrial large-scale preparation; and the prepared 3D (Three Dimensional) burr-shaped Fe2O3 has uniform shape, uniformly covers the surface of an iron electrode, has a large specific surface area and can be fully contacted with electrolyte solution as a capacitor material so as to realize quick and efficient charging and discharging.
Owner:ANHUI NORMAL UNIV

Zinc-manganese dry battery with improved structure

The invention relates to the technical field of dry batteries, and in particular relates to a zinc-manganese dry battery with an improved structure and a preparation process of the zinc-manganese dry battery. The zinc-manganese dry battery comprises a zinc cylinder, pulp paper, a base, a positive electrode material, an isolation sheet, a carbon bar, a sealing unit, a positive electrode cap and a cover, wherein the sealing unit is a sealing ring; the sealing ring comprises a central column, a peripheral part and a connecting sheet; the central column is arranged in the center of the sealing ring; the peripheral part is arranged at the edge of the sealing ring; the connecting sheet is connected with the central column and the peripheral part; a through hole through which the carbon bar penetrates is formed in the central column; and the lower end of the through hole is gradually expanded outwards. The lower end of the through hole is gradually expanded outwards, so that the size of the lower part of the through hole is slightly greater than that of the upper part of the through hole, providing coating space in the through hole for a sealant, the carbon bar can be well aligned with the through hole during penetration, is convenient to install, and can be prevented from being scratched when being aligned with the through hole and penetrating through the through hole, so that assembling is facilitated. According to the preparation process, the production process is simplified, and the production cost and the labor cost are reduced.
Owner:东莞市凌力电池有限公司

Preparation method of composite material, composite material and super-capacitor

The invention discloses a preparation method of a composite material, the composite material and a super-capacitor, and belongs to the technical field of nano materials. The preparation method of thecomposite material comprises the following steps: preparing a titanium dioxide nanorod array; dissolving aniline in first hydrochloric acid solution to form first solution, dissolving ammonium persulfate in second hydrochloric acid solution to form second solution, mixing the first solution with the second solution, and performing violent shaking for 20-40s to obtain mixed solution; putting the titanium dioxide nanorod array into the mixed solution for reacting for 1-3 hours to obtain a titanium dioxide nanorod array; performing washing to obtain the titanium dioxide and polyaniline nano composite material. The preparation method of the composite material is simple in preparation process, low in manufacturing cost and good in repeatability.
Owner:JIANGHAN UNIVERSITY

A kind of preparation method of lithium ion battery and supercapacitor electrode material

The invention discloses a preparation method of a lithium ion battery and a supercapacitor electrode material. The preparation method comprises following steps: 1, two dimensional metal oxides and sulfides, and oxidized graphene are weighed at a certain mass ratio and are mixed to be uniform; 2, an obtained mixture is subjected to ball millilng so as to obtain a composite material formed via ordered stacking of metal oxides and sulfides / graphene, wherein the mass ratio of the metal oxides and sulfides to graphene is controlled to be x:1, 1<=x<=14, and the metal oxides and sulfides are MoS2, MoO3, V2O5, or VS2. According to the preparation method, in ball milling processing, oxidized graphene is reduced gradually, and peeling is realized gradually; peeling of the two dimensional metal oxides and sulfides is realized gradually; assembling of the oxidized graphene with the two dimensional metal oxides and sulfides is realized, so that transmission capability of charges in the two mediumsis increased, electrode material rate capability is improved; the existing of graphene is capable of increasing material flexibility, improving the volume effect resistance of the supercapacitor electrode material in charge and discharge process, and increasing electrode material cycling stability.
Owner:苏州市洛肯电子科技有限公司

Preparation method of lithium manganate composite material for lithium-ion battery

The invention discloses a preparation method of a lithium manganate composite material for a lithium-ion battery. The preparation method comprises the following steps: (1) preparing a silicon-doped lithium manganate precursor; (2) preparing a bismuth sodium titanate ceramic-doped porous carbon material; (3) mechanically mixing the porous carbon and the precursor according to the ratio that the mass ratio of carbon to silicon ranges from (3 to 1) to (1 to 3); then mixing a mixture with a formaldehyde solution containing phenol-formaldehyde resin; then carrying out pyrolysis under an inert atmosphere, wherein the pyrolysis temperature is 800 to 1000 DEG C and the pyrolysis time is 5 to 8 hours; after pyrolyzing, uniformly mixing a product through ball milling and then heating in a tubular furnace under the conditions that the heating temperature is 1200 to 1500 DEG C and the heating time is 1 to 2h, so as to prepare the porous carbon covered silicon-doped lithium manganate composite material. The lithium manganate composite material disclosed by the invention has high specific capacity and relatively long service life.
Owner:宁波高新区锦众信息科技有限公司

Energy-stored photovoltaic battery and manufacturing method thereof

The invention discloses an energy-stored photovoltaic battery and a manufacturing method thereof. The energy-stored photovoltaic battery is sequentially provided with a positive electrode layer (2), a first electrolyte layer (3), a diaphragm (4), a second electrolyte layer (5) and a negative electrode layer (6) from a conductive surface of a top conductive glass substrate (1) to a conductive surface of a bottom conductive glass substrate (7). The positive electrode layer (2) is composed of carbon-rich TiO2 generated uniformly in situ. Compared with a common solar battery only used as a solar photoelectric converter, the energy-stored photovoltaic battery realizes that photoelectric conversion and electric energy storage are combined in the solar battery without accessories, thickness of the battery is greatly reduced, and development of simplification and ultra-thinning of the solar battery is facilitated.
Owner:HEFEI UNIV OF TECH

Nonaqueous electrolyte and electricity storing device in which same is used

Disclosed are a non-aqueous electrolytic solution, which can improve cycle characteristics when a power storage device is used at high temperature and high voltage, and a power device using the same. The non-aqueous electrolytic solution according to the present invention comprises, in addition to a non-aqueous solvent and an electrolyte salt dissolved therein, a compound represented by the following formula (I):wherein n is an integer of 1 or 2; and when n is 1, L represents a straight or branched unsaturated hydrocarbon group of which at least one hydrogen atom is optionally substituted by a halogen atom, a cycloalkyl group of which at least one hydrogen atom is optionally substituted by a halogen atom, or an aryl group of which at least one hydrogen atom is optionally substituted by a halogen atom; and when n is 2, L represents a saturated or unsaturated divalent hydrocarbon group which optionally contains ether bond(s), or an arylene group.
Owner:MU IONIC SOLUTIONS CORP

Ion induction patch with long lasting period

The invention discloses an ion induction patch with long lasting period. The ion induction patch comprises a backing layer, an adhesive layer, an ion accumulation layer, a surface covering layer and astripping layer, wherein the adhesive layer is arranged between the backing layer and the ion accumulation layer, the ion accumulation layer is arranged at the middle of the adhesive layer, the surface covering layer is arranged between the ion accumulation layer and the stripping layer, and the stripping layer is the outermost layer. The surface covering layer is a metal foil sprayed with an anti-radiation coating layer, and a base material of the ion accumulation layer is prepared by modifying polyimide. The design is reasonable, high specific surface voltage can be obtained, micro-currentcan be generated, charges are stably stored in the product, the lasting period of the product can be prolonged to the maximum extent, and the treatment effect on lumbar vertebra and cervical vertebrapain is improved.
Owner:GUANGDONG TAIBAO MEDICAL SCI TECH

Method for preparing MnO2 nano array through normal-temperature two-electrode electrodeposition and product thereof

The invention discloses a method for preparing a MnO2 nano array by normal-temperature two-electrode electrodeposition and a product thereof. The preparation method comprises steps that a Mn(NO3)2 solution is used as an electrolyte, carbon fibers are used as a positive electrode and a negative electrode for electrolysis, and the negative electrode is the carbon fibers with the MnO2 nano array deposited on the surface after the electrolysis is finished. The electrolysis is carried out by a two-electrode method, the voltage between the positive electrode and the negative electrode is 5-20 V, and the electrolysis time is 10-100 min. Ultrathin flaky MnO2 of a mosaic structure is densely distributed on the surface of the carbon fiber. The preparation method disclosed by the invention is simple to operate, does not need a reference electrode or complex equipment, is low in cost, and is non-toxic and pollution-free to the environment; the product has an ultrathin structure, the ultrathin flaky MnO2 is densely distributed on the surface of the carbon fiber, and the product has a strong effective surface area, is beneficial to energy storage, has excellent electricity storage performance and has a great application prospect.
Owner:SHANGHAI UNIV OF ENG SCI

A kind of molybdenum oxide/carbon coated titanium nitride nanotube array composite material and its preparation method and application

The invention discloses a molybdenum oxide / carbon-coated titanium nitride nanotube array composite material and its preparation method and application. The material comprises a molybdenum oxide nanofilm and a carbon-coated titanium nitride nanotube array film; the oxide The molybdenum nano-film is used as the active layer for electricity storage, the carbon-coated titanium nitride nanotube array film conducts the base layer, and the molybdenum oxide nano-film completely covers the surface of the carbon-coated titanium nitride nanotube array film, forming an integrated structure of molybdenum oxide / Carbon-coated titanium nitride nanotube array composite material; the molybdenum oxide nano-membrane has a microporous film structure assembled from nanoparticles, and the carbon-coated titanium nitride nanotube array has tube walls connected, orderly and closely arranged Nanotube array structure. Compared with the prior art, the material of the present invention has better electrical conductivity and electrochemical corrosion resistance, and at the same time, the obtained material has higher energy density and power density, and has good charge-discharge cycle stability.
Owner:SOUTHEAST UNIV

Method for preparing activated carbon/nano-platinum/polyaniline composite material from corn stalks

The invention discloses a method for preparing activated carbon / nano-platinum / polyaniline composite material from corn stalks. First, soak and pulverize corn stalk particles in a phosphoric acid solution, combine with microwave activation to prepare activated carbon with high specific surface area, and activate the activated carbon with nitric acid; Then add an appropriate amount of citric acid and ethylene glycol solution containing NaOH to the activated carbon to reduce chloroplatinic acid to prepare activated carbon / nano-platinum composite particles (C / Pt); finally put the C / Pt composite particles into a certain Add an appropriate amount of hydrogen peroxide to a sulfuric acid solution with a high concentration of aniline, and use nano-platinum to catalyze the polymerization of aniline to obtain an activated carbon / platinum / polyaniline composite (C / Pt / PAN). The invention adjusts the proportion relationship between activated carbon and polyaniline, and utilizes the synergistic effect of the two to prepare supercapacitor electrode materials with excellent performance.
Owner:HUAIYIN TEACHERS COLLEGE

A positive electrode of energy storage photosensitive solar cell and preparation method thereof

The invention discloses an energy storage photosensitive solar energy cell anode and a preparation method thereof. A structure of the energy storage photosensitive solar energy cell anode comprises a conductive glass substrate, a photoelectric conversion layer contacting with a conductive surface of the conductive glass substrate and an electric storage layer contacting with the photoelectric conversion layer. Nanometer TiO2 added drop by drop with an adhesive is grinded to a sticky state, is then coated on the conductive surface of the conductive glass substrate, is then dried, is then immersed in photosensitive dye for 12-24 hours and is then dried to form the photoelectric conversion layer; charcoal aerogel added drop by drop with an adhesive is grinded to a sticky state, is then coated on the photoelectric conversion layer and is then dried to form the electric storage layer; and the conductive glass substrate coated with the photoelectric conversion layer and the electric storage layer is baked at temperature of 130 DEG C for half an hour to form the energy storage photosensitive solar energy cell anode. The energy storage photosensitive solar energy cell anode has uniform coating, and an energy storage photosensitive solar energy cell assembled by the energy storage photosensitive solar energy cell anode has relatively good photoelectric conversion and energy storage capabilities.
Owner:HEFEI UNIV OF TECH
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