145 results about "Proton conductor" patented technology

The invention discloses a catalyst for a high-temperature proton exchange membrane fuel cell as well as a preparation method and application of the catalyst. The catalyst of the high-temperature proton exchange membrane fuel cell comprises a carbon carrier and Pt nano-particles loaded on the carbon carrier, and at least part of the surface of the Pt nano-particles is coated with manganese dioxide. According to the catalyst of the high-temperature proton exchange membrane fuel cell, the Pt nano-particles are coated with the manganese dioxide, catalytic active sites of the catalyst can be protected after coating, the poisoning effect of phosphoric acid on the catalyst at high temperature is relieved, and the performance of the high-temperature proton fuel cell is improved. In addition, manganese dioxide not only can be used as a protective layer, but also can form a new proton conductor with phosphoric acid, so that a proton transmission channel of the membrane electrode under a high-temperature working condition is improved, and the performance of the high-temperature proton fuel cell is improved.

The present invention provides an integrated structure composite conduction type solid oxide cell and a preparation method thereof, and belongs to the technical field of solid oxide fuel cells, the integrated structure composite conduction type solid oxide cell comprises: an integrated skeleton, the integrated skeleton comprises an electrolyte layer and porous layers on two sides, the integrated skeleton is composed of a proton conductor material and an oxygen ion conductor material, the molar ratio of the proton conductor material to the oxygen ion conductor material is 1: (0.8-1.2), and the proton / oxygen ion composite material is prepared by mixing and sintering the proton conductor material with the average particle size of 50-60 nm and the oxygen ion conductor material with the average particle size of 0.1-0.2 [mu] m; the catalyst layer is positioned on the pore wall of the porous layer. According to the invention, by limiting the proportion and the particle size of the proton conductor material and the oxygen ion conductor material, more conduction type paths are prepared, and the output power of the solid oxide battery is improved.

The invention discloses a simple preparation method of a barium-based metal organic framework (Ba-H2Sip) and proton conduction application of the barium-based metal organic framework (Ba-H2Sip), belongs to the field of functional material synthesis and energy application, and is characterized in that functional differentiation design of a 5-sulfoisophthalic acid ligand: a sulfonic group forms a two-dimensional layered structure by chelating Ba < 2 + >; the carboxyl groups are differentiated into'anchoring carboxyl groups' for constructing a three-dimensional supramolecular skeleton and'proton supply carboxyl groups' for providing a proton source, and the design is reported for the first time in Ba-based MOFs; according to the present invention, the large-scale preparation can be achieved by stirring the low-cost raw material in 1 mol / L hydrochloric acid at the room temperature, the yield exceeds 70%, the product can resist 8 M acid and pH = 13 alkali liquid, the conductivity at 90 DEG C / 90% humidity can achieve 1.39 * 10 <-2 > Scm <-1 >, the high-temperature process is not required, the raw material is low in cost and easy to obtain, and the feasible scheme is provided for the high-efficiency proton conductor industrialization.

A heat generating device according to the invention includes: a sealed container into which a hydrogen-based gas is supplied; and a heat generating structure accommodated in the sealed container and in which a plurality of heat generating elements that are configured to generate heat by occluding and discharging hydrogen contained in the hydrogen-based gas are radially arranged. Each of the heat generating elements includes a base made of a hydrogen storage metal, a hydrogen storage alloy, or a proton conductor, and a multilayer film provided on the base. The multilayer film has a first layer made of a hydrogen storage metal or a hydrogen storage alloy and having a thickness of less than 1000 nm and a second layer made of a hydrogen storage metal or a hydrogen storage alloy, which is different from that of the first layer, or ceramics and having a thickness of less than 1000 nm.

The invention discloses a database construction and data standardization method based on an MOF proton conductor material, and belongs to the crossing field of material science and database technology. Aiming at the problems of data dispersion and non-uniform formats of the current MOF proton conductor material, data is collected through multiple channels, and a web crawler is innovatively adopted to improve the efficiency. In the aspect of database construction, a distributed database is selected and combined with a block chain technology. In the aspect of data standardization, multi-dimensional data formats are standardized, complex representation data are processed through artificial intelligence, quality control is enhanced, data reasonability is predicted through machine learning, and real-time updating and correction are achieved through big data. According to the method, dispersed data are integrated, consistency and comparability are ensured, data quality and intelligent level are improved, and powerful support is provided for related research and application.

The invention relates to a PCEC proton conductor electrolyte, preparation thereof and application of the PCEC proton conductor electrolyte in high-humidity continuous in-situ hydrogenation upgrading of biomass pyrolysis gas, the proton conductor electrolyte is composed of a PCEC fuel electrode support body, and a BZCY proton conductor layer and an NCO proton conductor layer which are sequentially arranged on the surface of the PCEC fuel electrode support body, a NiO-BZCY / BZCY / NCO in-situ protection interface structure is formed by the contact surface of the BZCY proton conductor layer and the NCO proton conductor layer, the NCO proton conductor layer is made of A2B2O7 type fluorite structure oxide Nd2Ce2O7, the BZCY proton conductor layer is made of ABO3 type perovskite structure oxide BaZrxCeyY1-x-yO3-delta (BZCY, x + y + z is larger than or equal to 0 and smaller than or equal to 1, and y is not equal to 0. The preparation method comprises the following steps: respectively synthesizing NCO and BZCY proton conductors, spin-coating to construct a heterogeneous interface, forming a PCEC green body, sintering at high temperature, and optimizing a coating process and sintering conditions to form the PCEC single electrolytic cell with high compactness and excellent interface synergistic effect. Compared with the prior art, the method has higher electrochemical stability, water vapor corrosion resistance and long-period operation performance, and shows wide industrial application potential.

The invention discloses a preparation method and application of a metal-polymer hydrogen separation membrane with a sandwich structure, and relates to the technical field of hydrogen separation membrane preparation, and the preparation method specifically comprises the following steps: S1, preparing sulfonated polyetheretherketone of a pure proton conductor, and mixing with polybenzimidazole; s2, preparing a membrane casting solution; s3, preparing a pure proton conducting layer; s4, preparing a compact film; s5, preparing a Pt / C catalyst loaded metal-polymer compact layer; s6, preparing a composite film with a sandwich structure; s7, a Cu-Zn-Al2O3 catalyst and a Ni-CeO2 catalyst are prepared; and S8, preparing the metal-polymer hydrogen separation membrane with a sandwich structure. The metal-polymer hydrogen separation membrane provided by the invention has 100% selectivity to H2.

A heat utilization system according to the invention includes: a sealed container into which a hydrogen-based gas is supplied; a heat generating structure that is accommodated in the sealed container and includes a heat generating element that is configured to generate heat by occluding and discharging hydrogen contained in the hydrogen-based gas; and a heat utilization device that utilizes, as a heat source, a heat medium heated by the heat of the heat generating element. The heat generating element includes a base made of a hydrogen storage metal, a hydrogen storage alloy, or a proton conductor, and a multilayer film provided on the base. The multilayer film has a first layer made of a hydrogen storage metal or a hydrogen storage alloy and having a thickness of less than 1000 nm and a second layer made of a hydrogen storage metal or a hydrogen storage alloy, which is different from that of the first layer, or ceramics and having a thickness of less than 1000 nm.

Provided is a catalyst layer in which power generation performance is improved even in a high output power region (high current density region). A cathode catalyst layer (5) and an anode catalyst layer (6) for a membrane-electrode assembly of a solid polymer fuel cell, the cathode catalyst layer (5) and the anode catalyst layer (6) containing catalyst particles (1), an electrically conductive carrier (2), a polymer electrolyte (3), and a fibrous substance (4), the fibrous substance (4) containing at least one of an electron conductor and a proton conductor, the specific surface area of the fibrous substance (4) being in a range of 40 m 2 / g or more and 80 m 2 / g or less.

The invention provides a proton ceramic fuel half cell containing a transition layer, a cell and a preparation method. Belongs to the technical field of solid oxide fuel cells. The transition layer is compounded on the oxygen ion conductor supporting layer, and the transition layer is prepared from cerium-based ceramic powder; the anode functional layer is made of a proton conductor material and is compounded on the transition layer; and the electrolyte layer is compounded on the anode functional layer. The NiO / cerium oxide-based transition layer is designed between the fuel electrode supporting layer and the fuel electrode functional layer, so that a difficult-to-sinter phase is prevented from being generated between the supporting layer and the functional layer, and the problems that the cell is difficult to sinter and the catalytic activity of the functional layer is reduced due to the generation of a zirconium-rich oxide layer are effectively solved.

A heat generating method includes: heating, with a heater, a heat generating element and causing a first heat generating reaction in which the heat generating element generates heat with a first heat generation amount and triggering a second heat generating reaction in which the heat generating element generates heat with a second heat generation amount larger than the first heat generation amount, by imparting a perturbation to an input power to be applied to the heater in a state where the first heat generating reaction is occurring. The heat generating element includes a base made of a hydrogen storage metal, a hydrogen storage alloy, or a proton conductor, and a multilayer film provided on a surface of the base, with a stacked configuration of a first layer and a second layer made of different materials and both having a thickness of less than 1,000 nm.

The invention discloses a selenium molybdate compound constructed by rigid binary / polybasic carboxylic acid ligands as well as a preparation method and application of the selenium molybdate compound. The molecular formula of the compound is as follows: compound 1, (Me2NH2) 14 [(Se2Mo12O42) 2 {O2CC2H2CO2} 3]. 12H2O; a compound 2 is (Me2NH2) 14 [(Se2Mo12O42) 2 {O2CC4H4CO2} 3]. 9H2O; the compound 3 is (TEAH) 28 [(Se2Mo12O42) 4 {C6H4 (CO2) 3} 4]. 27H2O. The polyoxometallate-based proton conductor constructed by the invention has good thermal stability and structural stability at the same time. The polyoxometallate-based proton conductor can maintain the structural stability through the covalent interaction between the ligand and the polyoxometallate (selenium molybdenum oxygen cluster), can realize rapid transmission of protons under the conditions of medium temperature (100 DEG C) and high humidity (98% RH), and meets the requirements of high-performance proton conductive materials in the solid electrolyte material market.

The present invention provides a method for fixing uranium and its application in a solid fuel cell, wherein UO2(NO3)2·6H2O, Ce(NO3)3·6H2O, Y(NO3)3·6H2O and a barium salt soluble in nitric acid and easily decomposed at high temperature are dissolved in deionized water, and a novel BaCe is prepared under the action of a complexing agent. 0.8‑x U x Y 0.2 O3 (BCUY) material, which can be used in solid fuel cells as a new proton conductor electrolyte material. The raw materials of uranyl nitrate used are prepared from discarded uranium salts, uranium minerals or secondary uranium minerals, which realizes the recycling of discarded uranium resources and provides a new way for the practical application of uranium in solid fuel cells. The present invention can not only immobilize uranium well, reduce the migration of uranium, and reduce its harm to the environment; but also the new BCUY material has good chemical stability and high application value, and can be used in solid fuel cells to extend the service life of the battery.

This membrane electrode assembly comprises: a proton conductor (10); and a catalyst layer (20) that is provided so as to sandwich the proton conductor and that is joined to the proton conductor. Provided to the proton conductor is a recessed-and-protruding section (12) where portions of the catalyst layer penetrate a catalyst bonding surface (11) to which the catalyst layer is bonded.　In the catalyst layer, a region where the proton transport resistance increases proportionally with separation from the catalyst bonding surface is defined as a high-resistance region (HA). Furthermore, in the catalyst layer, a region where the proton transport resistance is smaller than that of the high-resistance region and the degree of increase in the proton transport resistance accompanying separation from the catalyst bonding surface is smaller than that of the high-resistance region is defined as a low-resistance region (LA). As a result, the dimensions of at least the recessed-and-protruding section are set such that the proportion of the entire catalyst layer occupied by the low-resistance region is larger than when the catalyst bonding surface is a flat surface having no recesses or protrusions.

An ammonia generation system (1) is provided with: an electrolysis cell (10) which generates ammonia from nitrogen and water, and is provided with a solid electrolyte (13) that contains a phosphoric acid compound which is a proton conductor; an ammonia separator (40) which is provided in a cathode outlet-side flow path (21) and separates ammonia from the cathode off gas; and a cathode-side circulation flow path (60) which is connected to the ammonia separator (40), and which returns, to the cathode (12), the residual gas that remains after the separation of ammonia by means of the ammonia separator (40) and contains nitrogen and hydrogen.

The invention discloses a porous polybenzimidazole / proton conductor type polyamide composite ionic membrane as well as a preparation method and application thereof, and belongs to the technical field of polymer electrolyte membranes. The preparation method specifically comprises the following steps: blending proton conductor type polyamide, polybenzimidazole and an organic solvent to form a uniform system, then adding an organic pore-forming agent, pouring the volatile solvent to form a membrane, and finally soaking in acid liquor to obtain the porous polybenzimidazole / proton conductor type polyamide composite ionic membrane. The proton conductor type polyamide synthesized by the invention has certain proton conductivity, and the intrinsic proton conductivity of the ionic membrane can be improved by adding the proton conductor type polyamide into the polybenzimidazole ionic membrane instead of more dependence on adsorption of acids (including phosphoric acid, sulfuric acid and the like). Besides, due to the addition of the triethanolamine pore-forming agent, a tiny and disconnected porous structure can be formed in the ionic membrane, and higher acid absorption is obtained on the premise of ensuring the air tightness and high vanadium resistance of the ionic membrane, so that higher proton conductivity is obtained.

The application discloses a preparation method for improving stability of a proton conductor electrolyte in carbon dioxide, relates to the technical field of solid oxide batteries and solid oxide electrolysis cells, and is characterized by the following steps: through a nano-additive surface modification method, a nano-structure additive of an alkaline earth metal oxide, or a transition metal oxide, or a VA main group metal oxide is prepared on the surface of a barium cerate and a barium zirconate series electrolyte obtained through a solid phase reaction method by using a vacuum impregnation method, and an alkaline proton conductor electrolyte with a surface modification additive is obtained. The alkaline proton conductor electrolyte with the surface modification nano-structure additive obtained by the application can be applied to a proton type carbon hydrogen ceramic membrane fuel cell or high-temperature electrolysis carbon dioxide, so that the stability of the electrolyte can be effectively enhanced, and ohmic loss can be reduced, thereby greatly improving the performance and stability of the solid oxide fuel cell and the electrolysis cell under a carbon dioxide atmosphere.

The invention relates to the technical field of solid oxide fuel cells, in particular to an efficient ammonia fuel proton conductor type solid oxide fuel cell and a preparation method thereof. The efficient ammonia fuel proton conductor type solid oxide fuel cell comprises a cathode, an electrolyte and an anode, the cathode is PrBa < 0.5 > Sr < 0.5 > Co < 1.5 > Fe < 0.5 > O < 5 + delta >, the electrolyte is BaZr < 0.1 > Ce < 0.7 > Y < 0.1 > Y < 0.1 > O < 3-delta >, the anode is NiO-BaZr < 0.1 > Ce < 0.7 > Y < 0.1 > Y < 0.1 > O < 3-delta >, and the cathode and the anode are connected through a wire. By using the Ni / Al2O3 catalyst and optimizing the microstructure, the ammonia cracking efficiency and electrochemical reaction rate are remarkably improved, and the performance and durability of the battery assembly are improved.

The present invention discloses a garnet-type proton conductor based on proton substitution and a preparation method thereof, belonging to the technical field of proton conductors. The garnet-type proton conductor and its derivative system of the present invention have the chemical formula Li 28(1‑x) H 28x La 12 Zr8O 48 Since the present invention is based on garnet-type solid electrolyte Li7La3Zr2O 12 The proton substitution of Li7La3Zr2O introduces hydrogen ions into it to form a proton conductor, and its proton conductivity is at an excellent level compared to traditional perovskite proton conductors. 12 The protonated garnet-type proton conductors exhibit high proton and oxygen ion conductivity at medium and high temperatures, ensuring their effectiveness as solid electrolytes linking hydrogen and electricity. Substituting Al or similar elements for the hydrogen element in these materials can further enhance their stability.

Disclosed is a proton conductor which includes a metal organic structure that has proton conductivity, a resin, and a dispersant. The metal organic structure has metal ions and a crosslinkable ligand that is coordinated to the metal ions. The metal organic structure contains molecules or ions, which have proton conductivity. It is preferable that the dispersant is a polymer dispersant which includes a resin affinity unit and a polar unit that has a polar group. It is also preferable that the dispersant contains a polymer dispersant which has a comb-shaped structure and / or a block polymer structure.

This invention discloses a preparation process for paper boxes used for food preservation and the resulting food preservation paper box, belonging to the field of packaging product technology. This invention constructs a dynamic covalent bond gradient interface and forms a strong anchoring-weak cohesive gradient structure by regulating the binding energy between fibers and functional layers, achieving a low fiber damage rate after multiple paper box cycles. A functional adaptation layer is simultaneously applied at the outlet of the paper machine's drying section, utilizing the water layer adsorbed on the fiber surface to achieve synergistic anchoring of interpenetrating network physical entanglement and chemical grafting. The core paper is micro-injected using hot press rollers, with molten chitosan-PEG graft material encapsulating softened PLA particles at 130°C, rapidly forming a mechanical interlocking structure within 2 seconds. Multi-scale synergistic slow release is achieved through spatial separation of modular slow-release tablets and electrostatically flocked citric acid. When humidity is triggered, water acts as a proton conductor at the interface, avoiding pre-reaction. Diatomaceous earth channels adsorb some NaClO2, forming a secondary release reservoir and extending the peak release time.

A proton conductor gas sensor (2) includes an MEA (20), a diffusion control plate (6), a filter and a housing. The diffusion control plate (6) is provided with a disc-shaped protrusion (22) which protrudes toward the opposite side of the MEA with the diffusion control port (24) as the center, and a gap (26) is formed between the protrusion (22) and the MEA (20). The effect is that the output deviation of the proton conductor gas sensor is reduced.

The invention belongs to an advanced material technology, and relates to a proton conductor and a preparation method thereof. The invention discloses a novel medium and low temperature perovskite type proton conductor, which is a barium-based perovskite type proton conductor, and is specifically BaN < 1-x > M < x > O < 3-delta >, N is a pentavalent metal including one or more of Nb < 5 + > and Ta < 5 + >; m is one or more of trivalent metals including Al < 3 + >, Ga < 3 + >, In < 3 + >, Sc < 3 + >, Y < 3 + >, Sm < 3 + >, Eu < 3 + >, Gd < 3 + >, Dy < 3 + >, Ho < 3 + >, Er < 3 + >, Tm < 3 + >, Yb < 3 + > and Lu < 3 + >; 0.5 lt; xlt; 1, the electrolyte material has low proton conduction activation energy in a medium-low temperature region. According to the invention, the high-concentration trivalent metal element with the concentration of 50-100% is utilized to form seepage conduction in the electrolyte and reduce the proton capture effect caused by the low-valence metal element, and the pentavalent element is utilized to reduce excessive generation of oxygen vacancies and maintain the structural stability, so that the material with good ionic conductivity in the medium-low temperature region is finally obtained.

The invention discloses an ytterbium-doped proton conductor fuel cell cathode material and a preparation method and application thereof, the chemical formula of the ytterbium-doped proton conductor fuel cell cathode material is BaCo < 0.4 > Fe < 0.4 > Zr < 0.1 > Y < 0.1-x > Yb < x > O < 3-delta >, x represents the molar doping amount of Yb, and delta represents the oxygen vacancy content. The preparation method comprises the following steps: dissolving a barium salt, a cobalt salt, an iron salt, a zirconium salt, an yttrium salt and an ytterbium salt in a solvent, mixing with a complexing agent, adjusting the pH value of the solution, heating and stirring the solution until gel is formed, drying to obtain a precursor, and sintering the precursor to obtain the battery cathode material. Through Yb doping, the oxygen vacancy is reduced, the ORR activity of the material is improved, the CO2 resistance of the cathode is also improved, the TEC is reduced, and the durability of the cathode is improved. The cathode material shows excellent electrochemical activity in a medium and low temperature range of 500-700 DEG C, and is suitable for being used as a cathode material of a proton conductor fuel cell in a medium and low temperature interval.

The invention relates to a novel process for realizing green hydrogenation of crude anthracene by using an electrochemical reactor under normal temperature and normal pressure conditions, and particularly relates to a process for realizing refined utilization of crude anthracene resources by using a solid proton conductor type electrochemical reactor under external electric energy to oxidize a hydrogen supply substance into protons and electrons at an anode, protons reach a cathode through a proton exchange membrane, and are combined with electrons at the cathode to be reduced into adsorbed hydrogen, so that high-selectivity graded gradient hydrogenation is performed on a crude anthracene complex system. According to the method, high-selectivity graded gradient hydrogenation is performed on a crude anthracene complex system by utilizing the characteristic that an electrochemical reactor generates in-situ hydrogen at a cathode, the intermolecular association effect of crude anthracene components is destroyed after hydrogenation, and fine separation and high-valued application of the components are realized. The new process realizes green and safe hydrogenation, reduces energy consumption and operation risk, improves the overall efficiency of the reactor, reduces the equipment cost, and completes effective utilization of crude anthracene resources and maximization of fine chemical value.

The present invention discloses a proton conductor ceramic membrane reactor and its preparation method and application. The proton conductor ceramic membrane reactor of the present invention comprises an anode, a cathode and a proton conductor ceramic membrane. The anode comprises Pt or Ni and a proton conductor ceramic membrane material. The cathode comprises a Ru / C catalyst and a proton conductor ceramic membrane material. The proton conductor ceramic membrane comprises a proton conductor ceramic membrane material. The chemical formula of the proton conductor ceramic membrane material is Ln x WO 11.25‑δ , where Ln is a lanthanide element, 5.2≤x≤5.8, and 0≤δ≤1. The proton conductor ceramic membrane reactor of the present invention can electrochemically synthesize ammonia under medium temperature conditions, has excellent hydrogen separation efficiency and ammonia synthesis performance, and is suitable for large-scale promotion and application.

The present invention belongs to the technical field of inorganic membranes, and particularly relates to a high-temperature carbon dioxide and water co-permeable membrane, its preparation method and application. At 500 - 600 °C, the porous proton conductor framework is impregnated in molten carbonate, taken out after heat preservation for 1 - 2 h, and a mixed proton-carbonate ion conductor membrane is obtained. The conductor membrane prepared by the present invention can directly capture carbon dioxide and water from high-temperature flue gas. On the one hand, pure carbon dioxide can be obtained through the condensation process to achieve carbon capture. On the other hand, the carbon dioxide and water permeated at high temperature can be used to obtain syngas through co-electrolysis or methane reforming, etc., and then high-value chemicals can be produced to realize the resource utilization of carbon dioxide.

The invention discloses a proton conductor electrolyte material and a preparation method and application thereof, the chemical general formula of the proton conductor electrolyte material is ABO3-delta, A site is Ba element, and B site is Zr, Sn, Ce and Nd element; the proton conductor electrolyte material is prepared through the steps of raw material acoustic resonance mixing, calcining, tape casting, drying, laminating and co-pressing, glue discharging treatment and Joule heat rapid hot pressing sintering, and the proton conductor electrolyte material is used for preparing an anode supporting single cell and an electrolyte supporting single cell. The proton conductor electrolyte material has good CO2 and H2O tolerance and ionic conductivity, the preparation method is efficient and energy-saving, no impurity is introduced, and the proton conductor electrolyte material shows a good application prospect.

A proton conductor gas sensor includes a membrane electrode assembly (“MEA”); a diffusion control plate; a filter; and a housing. The diffusion control plate is provided with a protrusion with a diffusion control hole at the center and raising towards the opposite side to the MEA. A gap is present between the protrusion and the MEA. The output variance among proton conductor gas sensors is reduced by the protrusion.

The invention discloses a proton conductor solid oxide battery composite electrode material and application, and belongs to the technical field of solid oxide batteries (SOC), the composite electrode material is formed by compounding a La0. 6Ca0. 4Fe0. 8Co0. 1Ni0. 1O3-delta (short for LCFCN) material with a perovskite structure and a BaZr0. 4Ce0. 4Y0. 1Yb0. 1O3-delta (short for BZCYYb) material according to a mass ratio of 7: 3, and the composite electrode material is named as an LCFCN-BZCYYb composite electrode material. Wherein the LCFCN is prepared by adopting a sol-gel method, the particle size of the LCFCN is concentrated at 350-450 nm, the average thermal expansion coefficient of the LCFCN is 13.4 * 10 <-6 > / K, and the LCFCN is excellently matched with a BZCYYb electrolyte; and meanwhile, the LCFCN has an electron-oxygen ion-proton triple conduction characteristic. The composite electrode material is used as an H-SOC cathode and is matched with a BZCYYb electrolyte and a NiO anode to form a battery, the maximum output power density of the battery can reach 1.13 W / cm < 2 > at the working temperature of 700 DEG C, the ohmic impedance is as low as 0.11 ohm cm < 2 >, the problems that existing cobalt-based, strontium-based and nickel-based cathode materials are mismatched in thermal expansion, high in impedance, poor in stability and the like are effectively solved, and the service life of the battery is prolonged. And the electrochemical performance and the long-term operation reliability of the H-SOC are remarkably improved.