53 results about "Mixed conductor" patented technology

The invention relates to the technical field of lithium ion batteries, in particular to a preparation method of a lithium negative electrode with an ion / electron mixed conductor framework and application of the lithium negative electrode in the lithium ion battery. In order to solve the problems of lithium dendrite growth, volume expansion, corrosion and the like of the existing lithium negative electrode material in the battery cycle process, the invention provides an innovative solution that a double-fiber network skeleton consisting of a LiB compound and VGCF is constructed through a mechanical rolling method and a processing regulation and control process so as to enhance the electrode structure stability and inhibit the generation of lithium dendrites. The rate efficiency, the cycle life and the mechanical property of the prepared lithium negative electrode material are evaluated through a symmetric battery test, microstructure and electrochemical property analysis is carried out through TEM, SEM, XRD and other means, and the lithium negative electrode material has excellent comprehensive mechanical property, can inhibit volume expansion, simplifies the processing flow, and is suitable for large-scale production. And the method is suitable for commercial production of new energy batteries. By implementing the invention, the development of a lithium ion battery technology is expected to be promoted, and the requirements of modern society on an efficient and safe energy storage system are met.

The invention discloses an ion-electron mixed conductor material and a preparation method and application thereof. The ion-electron mixed conductor material is prepared by doping a heterovalent transition metal element ion pair in a solid electrolyte. The different-valence transition metal element ion pairs comprise same transition metal elements with different valence states or different transition metal elements with different valence states; the solid electrolyte is halide solid electrolyte. Wherein the solid electrolyte structure provides a lithium ion transmission channel, and the transition metal element is rapidly oxidized and reduced to provide an electron transmission channel. The ion-electron mixed conductor is applied to a composite positive electrode of a solid-state battery, can simultaneously transmit lithium ions and electrons, shortens the transmission paths of the lithium ions and the electrons, remarkably improves the content of positive electrode active substances, improves the cycling stability of the solid-state battery, and has a relatively good application prospect in the solid-state battery.

The invention discloses a composite positive electrode material adapted to a sulfide electrolyte, a preparation method and a secondary battery, the composite positive electrode material adapted to the sulfide electrolyte provided by the invention comprises a coating modified high-nickel positive electrode material, the coating modified high-nickel positive electrode material comprises a matrix and a composite coating layer coating the surface of the matrix, wherein the matrix is a high-nickel positive electrode material, the composite coating layer comprises a conductive polymer and a fast ion conductor, and the fast ion conductor is dispersed in the conductive polymer. Meanwhile, preparing a uniform solution from a raw material of a fast ion conductor and a raw material of a conductive polymer by adopting a one-pot method, adding a positive electrode material into the uniform solution, stirring, evaporating the solvent to dryness to obtain a uniformly coated positive electrode, and finally performing annealing treatment, a mixed conductor uniform coating layer composed of a conductive polymer and a fast ion conductor is generated on the surface of the high-nickel positive electrode material in situ, and ion and electron conductance of the composite coating layer is considered.

The invention discloses a monovalent alkali metal ion doped iron-based perovskite type ceramic membrane as well as a preparation method and application thereof, and belongs to the technical field of mixed conductor oxygen permeation ceramic membrane materials. The method comprises the following steps: (1) synthesizing layered rock salt oxide M1 by adopting an EDTA-CA (Ethylene Diamine Tetraacetic Acid-Carboxylic Acid) sol-gel method; (2) mixing the M1 with other metal carbonate or oxide according to the stoichiometric ratio of the target perovskite oxide M2, and preparing a solid precursor M1 + M2 through a solid-phase reaction method; and (3) sintering the precursor into a compact ceramic membrane by using a static pressure-roasting method. According to the invention, the problem that monovalent alkali metal ions are easy to volatilize in a high-temperature solid-phase reaction is effectively solved through a process of stabilizing the alkali metal at a low temperature and then forming a film at a high temperature, and the monovalent alkali metal ions are successfully doped into iron-based perovskite crystal lattices. The prepared ceramic membrane has the advantages that the oxygen permeation flux is obviously improved while the good structural stability is maintained, and the ceramic membrane is particularly suitable for oxygen separation in an oxygen-enriched combustion process.

The invention relates to a power cable (20) comprising: - a hybrid conductor (21) comprising: a central portion (22) of the Litz wire type having a plurality of electrically conductive strands (23) electrically insulated from each other, a crown portion (25) having electrically conductive strands (26) not electrically insulated from each other, the thickness of the crown portion (25) being calculated to be less than or equal to a skin thickness (δ), and - an insulator (27) disposed around the hybrid conductor (21). Figure for abbreviation: Figure 5

The invention relates to the technical field of membranes and membrane separation, in particular to a design and technological process of a mixed conductor ceramic oxygen-permeable membrane module, the module is composed of a ceramic oxygen-permeable membrane bundle, a heat storage layer, a positioning layer, a sealing layer and a vacuum layer from top to bottom in sequence, the heat storage layer is provided with an air outlet, the positioning layer is provided with an air inlet, and the sealing layer is provided with an air outlet. The sealing layer is provided with a ceramic oxygen-permeable membrane bundle, the ceramic oxygen-permeable membrane bundle penetrates through the heat storage layer, the positioning layer and the sealing layer to reach the vacuum layer, the vacuum layer is connected with negative pressure equipment, the heat storage layer plays a role in protecting the ceramic oxygen-permeable membrane bundle, and fresh air enters the assembly from the positioning layer when the assembly runs. After self heat exchange, the air is discharged from an air outlet of the heat storage layer, and meanwhile, fresh air entering the assembly provides an oxygen-enriched source for the ceramic oxygen permeation membrane bundle. The mixed conductor ceramic oxygen permeation membrane module provided by the invention is reasonable in structure, convenient to seal and simple to operate, self-cooling can be realized without additionally arranging a cooling heat exchange system, the energy consumption is greatly reduced, and the mixed conductor ceramic oxygen permeation membrane module has a wide application scene.

This invention discloses a hybrid conductor with continuous ion and electron transport channels, its preparation method, and its applications, belonging to the field of solid-state lithium metal battery technology. This invention uses a lithiophilic modified titanium nitride nanotube array and a solid electrolyte interface film to form a hybrid conductor with continuous ion and electron transport channels. This promotes uniform deposition and stripping of lithium within the nanotubes via a creep mechanism, effectively releasing stress and improving the battery's electrochemical performance. The titanium nitride nanotube array not only improves the overall conductivity of the electrode material but also adapts to the volume changes of the negative electrode during charge-discharge cycles. Furthermore, titanium nitride is stable for lithium, reducing side reactions during cycling.

The invention provides an organic mixed conductor for preparing a positive electrode as well as a preparation method and application of the organic mixed conductor. The organic mixed conductor comprises poly (benzodifuran diketone) and an electrolyte salt. The organic mixed conductor provided by the invention has good cohesiveness and ion / electron conductivity, and can replace a common polyvinylidene fluoride binder material and a conductive carbon material in the prior art, so that a positive electrode material is prepared, and a solid secondary battery obtained by assembling has better cycle stability.

The invention discloses a perovskite type mixed conductor film with metal precipitated on the surface, a method for electrically driving in-situ precipitation of metal nanoparticles and application, and the surface of the mixed conductor film is provided with the metal nanoparticles which are electrically driven in-situ precipitation. The preparation method comprises the following steps: constructing an electrically driven reduction device taking a perovskite type mixed conductor film as a cathode, applying negative voltage to the cathode at normal temperature, carrying out reduction reaction, and separating out the metal nanoparticles. According to the invention, a perovskite type mixed conductor film is used as a cathode, an A-site defect is designed by using the oxidation-reduction characteristic of B-site metal of the perovskite type mixed conductor film so as to provide auxiliary reduction, and potential is applied to the cathode at normal temperature, so that the surface of the perovskite film is reconstructed, and then metal nanoparticles are separated out.

The invention relates to the technical field of conductor materials, in particular to an electron-lithium ion mixed conductor material and a preparation method thereof. According to the technical scheme, the sulfide solid electrolyte comprises a sulfide solid electrolyte core; the surface of the inner core is coated with the LiMS coating layer, M is at least one of V, Cr, Fe, Ni and Nb, the sulfide solid electrolyte is Li < 6-X > PS5-XCl < 1 + X >, x is greater than or equal to 0 and less than or equal to 0.6, and the thickness of the LiMS < 2 > coating layer is nanoscale. A novel electron-lithium ion mixed conductor material is successfully developed through an optimally designed in-situ reaction and preparation process, and the material can provide efficient ion and electron transmission paths in a positive electrode at the same time, significantly reduce interface impedance, improve the utilization rate of active substances, and improve the performance of a lithium ion battery. Therefore, the discharge capacity and the electrochemical performance of the all-solid-state battery are greatly improved.

The invention belongs to the technical field of solid-state batteries, and discloses an alloy ion / electron mixed conductor and application thereof. The mixed conductor is prepared by taking antimony powder, lithium powder or sodium powder and at least one metal powder of lanthanum, scandium, yttrium, aluminum, gallium and indium as raw materials through ball-milling mixing, tube sealing annealing and quenching treatment. When the mixed conductor is used as an interlayer of a lithium / sodium metal negative electrode and an electrolyte in the solid-state battery, the growth of lithium / sodium dendrites can be effectively inhibited through a specific nucleation mechanism, and the utilization rate of the metal negative electrode is improved; when the conductive additive is used as a conductive additive of a silicon, red phosphorus or graphite / hard carbon negative electrode material, by virtue of high ion / electron conductivity and good potential stability, the interface side reaction is reduced, and the rate capability and the cycling stability of the negative electrode material are remarkably improved.

The invention provides an amorphous substance coated positive electrode active material as well as a preparation method and application thereof. In the invention, the amorphous substance is selected from one or more of transition metal silicide, boride, phosphide, sulfide, selenide, carbide, amorphous carbon or amorphous silicon materials. The amorphous substance coating in the invention can form a compact self-healing passivation layer at the interface of the positive electrode material, not only can inhibit oxygen precipitation under high voltage in dynamics, but also can be combined with Li alkali metal to become a mixed conductor of ions and electrons, so that the conduction performance of the electrons and lithium ions is improved, and the interface impedance is reduced. Meanwhile, the surface of the positive electrode material can be uniformly coated by a special coating mode of the amorphous substance, so that side reaction between the positive electrode material and electrolyte is effectively inhibited, a solid electrolyte membrane on the surface of the positive electrode material is stabilized, formation of microcracks in the material is reduced, and the cycling stability is improved.

The application discloses a two-end vertical structure organic electrochemical biomimetic synapse device and a preparation method and a biomimetic neural morphological chip thereof. The device comprises a bottom electrode, a first organic mixed ion-electron conductor layer, a first ion gel layer and a top electrode which are sequentially stacked. The first ion gel layer is configured to provide anions. The first organic mixed ion-electron conductor layer is configured to transport anions and electrons. The top electrode is configured to apply a bias voltage to drive the migration of anions. In terms of structure, the four-layer stacked structure realizes ion path innovation, and the vertical channel sharply reduces the delay time to the microsecond level. In terms of device mechanism, the low reduction potential of the organic ion-electron mixed conductor and the depletion of the de-doped carriers are utilized, the current spontaneously reverses under the action of a certain voltage, and the simulation of artificial synapse sensitization and habituation is realized at the single device level.

The invention discloses a novel reformer based on coupling of a proton conductor and a carbonate conductor ceramic membrane. The novel reformer comprises a tubular reformer and a flat plate pile tower reformer, and each reformer comprises a proton electron mixed conductor ceramic membrane, a carbonate electron mixed conductor ceramic membrane and a reforming chamber; a self-heating reforming chemical reaction is carried out in the reforming chamber, the proton-electron mixed conductor ceramic membrane and the carbonate electron mixed conductor ceramic membrane respectively carry out an electrode reaction, the chemical reaction and the electrode reaction are simultaneously coupled, and the purification of hydrogen and the separation of the product carbon dioxide are realized in one step at a high temperature by utilizing the ceramic membranes. The reformer can solve the problems of methane reforming and hydrogen purification, and is simple to control and easy to obtain pure hydrogen.

The invention provides a proton-electron mixed conductor material and a preparation method thereof, a perovskite ceramic hydrogen separation membrane and application, the structural formula of the proton-electron mixed conductor material is BaZraXbO3-delta, the element X is a transition metal element, delta is more than 0 and less than or equal to 0.5, a is more than 0 and less than 1, b is more than 0 and less than 1, and a + b is equal to 1. The proton-electron mixed conductor material prepared by the method has relatively high conductivity, has relatively excellent structural stability in the application process, is relatively low in preparation cost and has a wide industrial application prospect.

The application discloses a cermet composite structure film and a preparation method and application thereof, and belongs to the technical field of composite film preparation. First, the foam metal net is cut to a target size, ultrasonic cleaning and drying are performed; then, the foam metal net is immersed in a slurry containing metal oxides, and is dried to obtain a porous metal net covered with metal oxides; ceramic powder, a solvent and an adhesive are mixed to prepare a ceramic powder slurry; the ceramic powder slurry is filled in the pores of the porous metal net through a vacuum suction method, and is dried and dry-pressed to form a film, and the film is sintered in an inert atmosphere containing hydrogen to obtain the cermet composite structure film. The prepared cermet composite structure film maximally reduces the volume proportion of the metal phase (<10%) under the premise of keeping the metal phase connected, thereby enhancing the function (such as conducting oxygen ions, protons and the like) of the ceramic phase, and meanwhile, the cermet composite structure has high mechanical strength, and has a good application prospect in a mixed conductor film reactor.

The application relates to the field of proton ceramic fuel cells, and provides a high-performance proton ceramic fuel cell heterogeneous structure cathode material and a preparation method thereof. 2‑ x Zr x O 5+δ , wherein Ln=La, Pr, Sm, Gd or Eu, 0.04<=x<=0.5, and delta is the non-stoichiometry of oxygen. The cathode material provided by the application comprises: a substrate (Ln 1 / (2‑x) Ba (1‑x) / (2‑x) )2Co2O 5+δ and BaZrO3 nanoparticles precipitated and anchored on the surface of the substrate. The material LnBaCo2O 5+δ is doped with element Zr at the B site, so that the BaZrO3 nanoparticles are in-situ desolvated and anchored on the surface of the substrate in a high-temperature oxidizing atmosphere, forming an ion-electron mixed conductor and a proton conductor heterogeneous structure, which makes the nano-composite cathode material have a triple electric conduction (oxygen ion-proton-electron) reaction region, also has good oxygen reduction catalytic activity, excellent chemical and structural stability, and is a universal method for preparing excellent proton ceramic fuel cell cathode materials.

The invention provides a positive electrode composite material. The positive electrode composite material comprises a positive electrode base material, a first coating layer and a second coating layer, wherein the first coating layer and the second coating layer cover the surface of the positive electrode base material and are sequentially arranged outwards; the raw materials of the first coating layer comprise an alkene polymer with hydroxyl and / or carboxyl functionalized side groups on a main chain, a transition metal chalcogenide accounting for 0.5%-3.5% of the mass of the alkene polymer and an oxide of cobalt; the mass ratio of the transition metal chalcogenide to the cobalt oxide is 1: (0.5-3.5). The second coating layer is prepared from the following raw materials: a nitrile compound containing alkenyl and lithium salt of which the mass is 20 to 65 percent of that of the alkenyl polymer. The inner layer provides a flexible adhesion substrate, a fast ion channel and an anion anchoring point; and an ion-electron mixed conductor is formed on the outer layer. The interface side reaction is effectively inhibited, the ion / electron conductivity, the mechanical strength and the thermal stability are improved, and the comprehensive performance of high capacity, long circulation, high magnification and high safety is finally realized.

The application discloses a kind of nanometer coating modified ceramic membranes for oxygen-enriched combustion and a preparation method thereof, and belongs to the technical field of ceramic oxygen-permeable membrane.The ceramic membrane grows in situ a zinc-tin composite oxide nanostructure layer with specific stoichiometric ratio and micro-morphology on the surface of mixed conductor ceramic oxygen-permeable membrane matrix, significantly improving the oxygen permeability and high temperature stability.The three-dimensional "nanoflower" porous covering layer structure can effectively increase the oxygen permeation active sites, promote the surface exchange and bulk diffusion of oxygen ions.The perovskite oxide selected as the matrix has excellent oxygen ion and electron mixed conduction characteristics, providing a basis for high oxygen permeation flux.The preparation method precisely controls the steps of matrix membrane preparation, pretreatment, precursor preparation, in-situ hydrothermal growth and programmed temperature calcination, and cooperatively improves the high temperature oxygen permeation flux, CO2 corrosion resistance and long-term stability of the membrane, solving the problem that flux and stability are difficult to balance in the prior art.

The present application relates to a kind of mixed conductor layer coated silicon monoxide negative electrode material, the material includes prelithiated SiO x Material, the surface of the prelithiated SiO x Material has coating layer, and the coating layer structure is the amorphous carbon layer of internal uniform dispersion lithium ion conduction active site.The preparation method of the material includes the following steps: preparation precursor coated SiO x Material: in precursor solution SiO x / C particle is added, using coating process, obtains precursor coated SiO x Material;Configuration chemical prelithiation agent solution;Lithiation reduction: the precursor coated SiO x Material is soaked in prelithiation agent solution, stirring for a period of time under inert atmosphere, then washing and drying, obtain lithiated SiO x Material;Heat treatment: the lithiated SiO x Material is calcined, and then heat preservation, obtains mixed conductor layer coated prelithiated SiO x Material.

The present invention provides an organic mixed conductor, a preparation method thereof and an application thereof. The organic mixed conductor comprises a lithium salt and poly(3-monomethoxypolyethylene glycol)thiophene represented by General Formula 1. The organic mixed conductor provided by the present invention has both good electronic and ionic conductivities and certain adhesiveness, and can replace polyvinylidene fluoride and conductive carbon in a traditional positive electrode to ensure the mass ratio of the positive electrode active material; by adjusting the side chain length and the degree of polymerization of the main chain of the poly(3-monomethoxypolyethylene glycol)thiophene represented by General Formula 1, the present invention can realize the modulation of the ionic and electronic conductivities of the organic mixed conductor, thereby preparing positive electrodes of solid-state lithium secondary batteries with different performances; compared with the traditional positive electrode of polyvinylidene fluoride / conductive carbon / positive electrode active material, the organic mixed conductor provided by the present invention for the positive electrode of the solid-state lithium secondary battery can significantly improve the cycling performance of the solid-state lithium secondary battery.

The invention discloses a dual-purpose mixed conductor aqueous lithium ion battery adhesive and a preparation method thereof, and the preparation method comprises the following steps: (1) placing sodium alginate and urea in ethanol, stirring at room temperature, standing, and carrying out suction filtration to obtain a component 1; (2) dissolving dopamine hydrochloride in a Tris-HCl buffer solution, heating and stirring at 50-75 DEG C, and carrying out suction filtration to obtain a component 2; and (3) mixing the component 1 and the component 2. The adhesive can be used for being matched with a lithium ion positive electrode active material lithium iron phosphate and can also be used for being matched with a lithium ion battery negative electrode active material silicon. According to the adhesive disclosed by the invention, the conductive ion polymer and the conductive electron polymer are physically blended, so that the adhesive is endowed with conductivity, and the lithium ion battery electrode still has excellent electrochemical performance under the condition of reducing the dosage of the adhesive and the conductive agent. The electrode of the lithium ion battery can be loaded with more active materials, and the capacity of the lithium ion battery is improved. The adhesive provided by the invention is a water-based adhesive and is more environment-friendly.

The invention discloses a high-crystallinity ion-electron mixed conductor material and a coated positive electrode material and application thereof, the ion-electron mixed conductor material is composed of a crystalline organic matter and at least one electrolyte salt, the crystallinity of the material is greater than 50%, and the material has high ionic conductivity and electronic conductivity. The ionic conductivity at room temperature can exceed 1 * 10 <-4 > S / cm, and the electronic conductivity at room temperature also exceeds 1 * 10 <-4 > S / cm. Due to the characteristic of low Young modulus of the ion-electron mixed conductor material, the surface of the positive electrode material can be uniformly and thinly coated with the ion-electron mixed conductor material, direct contact between the positive electrode material and a solid electrolyte is avoided, and excellent stability and rate capability are achieved. And the all-solid-state battery can stably work and circulate under low pressure.

The invention relates to a power cable (20) comprising:-a hybrid conductor (21) comprising:-a central litz wire portion (22) comprising a plurality of electrically conductive strands (23) electrically insulated from each other; -an annular portion (25) comprising a plurality of electrically conductive strands (26) that are not electrically insulated from one another, the calculated thickness of the annular portion (25) being less than or equal to the skin thickness (delta); and-an insulator (27) arranged around the hybrid conductor (21).

A carbon fluoride material coated with a mixed conductor, its preparation method and a lithium battery. Innovatively, the ionic conductivity of carbon fluoride is improved. A nano-level ionic conductor slurry is used to coat carbon fluoride, and after drying, it can be evenly distributed on the surface of the carbon fluoride material to form a uniform coating. And by heating the dried carbon fluoride material at a high temperature, the carbon fluoride material decomposes at high temperature, and a part of carbon is generated inside the cracks of the carbon fluoride material and on the surface of the carbon fluoride material to form an in-situ carbon coating. The process is simpler, the coating uniformity is better, and the electronic conductivity and ionic conductivity of the material are improved synchronously. And using the carbon fluoride material coated with a mixed conductor prepared by the method of the present invention as the positive electrode material of a primary lithium battery, compared with the traditional carbon fluoride positive electrode material coated with a single electronic conductor, the reaction kinetic performance of the primary lithium battery material is good, and the voltage platform and energy density are significantly improved.

This invention discloses a low-power biomimetic rhizosphere electro-growth promoting matrix based on ion bridging, its construction method, and its application. The biomimetic rhizosphere electro-growth promoting matrix provided by this invention comprises the following components: a three-dimensional porous bioscaffold, which is a biomimetic rhizosphere porous structure formed by cross-linking carboxymethylated cellulose nanoparticles through ion bridging; and ion-electron hybrid conductor units distributed on the surface and interior of the three-dimensional porous bioscaffold, composed of an electronic conductor material providing electronic conduction and an ion polymer providing ion conduction and a gel skeleton. This invention achieves efficient and biocompatible energy and signal transmission between plants and external circuits by constructing an ion bridging conduction mechanism, thereby achieving the goal of efficient growth promotion under low power.

The present invention provides an electrolyte sheet with a metal oxide modified SSE surface and a negative electrode-free solid-state lithium battery, by constructing ZnO on the surface of the solid electrolyte (SSE) using industrially available Zn / Cd vapor. x / CdO x Interface layer, after assembling the negative electrode-free solid-state battery, first charge it to make ZnO x / CdO x Lithium is deposited on the interface, and then the battery is heated to make ZnO x / CdO x The interface reacts with lithium to form a Zn+Li2O / Cd+Li2O ion / electron mixed conductor interface layer MCI. MCI can significantly improve the compatibility of the SSE and current collector interface in solid-state batteries. The preparation process is mainly divided into two steps. The first step is the evaporation of low-boiling-point metals, and their condensation and oxidation on the surface of SSE; the second step is the assembly of the anode-free solid-state battery and the in-situ conversion of the oxide interface layer. Compared with the unmodified anode-free solid-state battery, the anode-free solid-state battery with in-situ generated interface layer in the present invention has significantly improved electrochemical performance. At the same time, the raw materials of this process are widely available, which will promote the large-scale production of low-cost, high-energy-density anode-free solid-state batteries.

The invention discloses an ion-electron mixed conductor coated silicon-carbon composite material for a solid-state battery, and relates to the technical field of lithium battery material preparation. The silicon-carbon composite material is prepared from the following materials in parts: 10 to 500 parts of silicon, 10 to 600 parts of carbon, 1 to 450 parts of a carbon-based material, 10 to 300 parts of a conductive polymer, 100 to 300 parts of metal magnesium powder, 100 to 400 parts of nano zinc powder, 1 to 120 parts of lithium silicate and 1 to 200 parts of an organic lithium compound. Through cooperation of the metal magnesium powder and the conductive polymer, the volume expansion rate is controlled to be 50% or below, and it is guaranteed that the electrode structure is stable; carbon, a carbon-based material and nano zinc powder construct an electron conduction network, lithium silicate and an organic lithium compound form an ion conduction channel, the problem of multi-component compatibility is solved through reasonable matching and process, high-activity lithium is replaced with low-activity metal, the preparation safety is improved, raw materials are industrial conventional materials, the process is mature, performance and cost are considered, and industrialization requirements are met.

The invention discloses an organic electrochemical bionic synaptic device based on a two-end vertical structure, a preparation method thereof and a bionic neuromorphic chip. The device comprises a bottom electrode, a first organic mixed ion electron conductor layer, a first ion gel layer and a top electrode which are stacked in sequence, the first ionic gel layer is configured to provide anions; the first organic mixed ion electron conductor layer is configured to transport anions and electrons; the top electrode is configured to apply a bias voltage to drive anion migration. According to the structure, ion path innovation is realized by adopting a four-layer stacked structure, and the delay time is sharply reduced to a microsecond level through a vertical channel; on the device mechanism, the low reduction potential of an organic ion-electron mixed conductor and depletion of a de-doped carrier are utilized, current spontaneous reversal occurs under the action of a certain voltage, and simulation of artificial synapse sensitization and habituation is realized on the single device level.

This all-solid-state secondary battery comprises a positive electrode layer, a negative electrode layer, and a solid electrolyte layer between the positive electrode layer and the negative electrode layer. The positive electrode layer includes a positive electrode current collector and a positive electrode active material layer on one surface or both surfaces of the positive electrode current collector. The positive electrode active material layer includes a positive electrode active material and a mixed ionic and electronic conductor. The mixed ionic and electronic conductor contains a metal oxide represented by MxNbyOz-δ (0≤x≤100; 0<y≤100; 0<z≤100; 0≤δ<z, x<y, and M is an element selected from Groups 3 to 15 of the Periodic Table of Elements). The negative electrode layer includes a negative electrode current collector and a first negative electrode active material layer on one surface of the negative electrode current collector.