Abstract:
The all-solid-state battery according to the present invention includes a cathode, an anode, a solid electrolyte layer disposed between the cathode and the anode, wherein at least one of the cathode and the anode contains a solid electrolyte having deliquescence, and the all-solid-state battery includes a water supply and removal section that supplies water to an electrode containing the solid electrolyte having deliquescence and discharges water in the electrode to the outside of the battery.
Abstract:
An object of the present invention is to provide an electrode capable of effectively reducing the resistance in a lithium secondary cell, and a configuration a solid electrolyte layer.In order to solve this problem, according to the present invention, there is provided a lithium secondary cell including a solid, electrolyte layer provided, between a positive electrode and a negative electrode. A positive electrode mixture layer (40) of the positive electrode includes positive electrode active material particles (42) and solid electrolyte particles (44). A gap between the positive electrode active material particles (42) and the solid electrolyte particles (44) is filled with a Li-conductive binding material, the Li-conductive binding material containing oxide nanoparticles dispersed therein.
Abstract:
A solid electrolyte comprises a ramsdellite-type crystal structure and has low activation energy of lithium ions and good lithium ion conductivity. The solid electrolyte is represented by the general formula Li4x−2a−3b−c−2dSn4−x−c−dM(II)aM(III)bM(V)cM(VI)dO8 [wherein M(II) is a divalent cation, M(III) is a trivalent cation, M(V) is a pentavalent cation, and M(VI) is a hexavalent cation, 0≦x≦1.33], wherein in the general formula, 0
Abstract translation:一种固体电解质包含一种颠簸型晶体结构,并具有低的锂离子活化能和良好的锂离子电导率。 固体电解质由通式Li 4 x-2a-3b-c-2d Sn 4-x-c-dM(II)aM(III)bM(V)cM(VI)dO 8表示[其中M(II)是二价阳离子 ,M(III)是三价阳离子,M(V)是五价阳离子,M(VI)是六价阳离子,其中通式为0
Abstract:
It is an objective of the invention to provide a quasi-solid state electrolyte that has a well-balanced combination of contact performance with electrode active materials, conductivity, and chemical and structural stability, each at a high level, and an all solid state lithium secondary battery using the quasi-solid state electrolyte. There is provided a quasi-solid state electrolyte comprising: metal oxide particles; and an ionic conductor, the ionic conductor being a mixture of either a glyme or DEME-TFSI and a lithium salt that includes LiFSI, and being carried by the metal oxide particles.
Abstract:
Aiming at improvement in the life and rate characteristic of the secondary battery, the semisolid electrolytic solution, the semisolid electrolyte layer, the electrode, and the secondary battery are provided. The semisolid electrolytic solution contains a solvation electrolyte salt, an ethereal solvent for forming a solvation ion liquid together with the solvation electrolyte salt, and a low-viscosity solvent. The mixture molar ratio of the ethereal solvent to the solvation electrolyte salt is in the range from ≥0.5 to ≤1.5. The mixture molar ratio of the low-viscosity solvent to the solvation electrolyte salt is in the range from ≥4 to ≤16.
Abstract:
An object of the present invention is to enhance energy density and output density of an all-solid state ion secondary battery. To achieve the object, the present invention provides an all-solid state ion secondary battery in which a solid electrolyte layer is joined between a positive electrode active material layer and a negative electrode active material layer, characterized in that at least one of the positive electrode active material layer and the negative electrode active material layer is formed by binding active material particles and solid electrolyte particles together through an ion-conductive and ferroelectric substance.
Abstract:
Disclosed herein is a method for producing an electrode includes a step of reducing lithium-vanadium oxide by heating in reducing gas, a step of causing the reduced lithium-vanadium oxide to deliquesce, a step of mixing the deliquesced lithium oxide with an active material so as to prepare an electrode mixture, and a step of making the electrode mixture into an electrode by virtue of molding after heat treatment to the electrode mixture. The method for producing an all-solid battery further includes a step of bonding the thus-made electrode to a solid electrode layer in such a way that the solid electrode layer is interposed between the electrode and either of cathode and anode to be paired with the electrode.
Abstract:
Provided are an all-solid state battery with a better quality of contact among particles of an active material and with an enhanced discharge capacity; an electrode for an all-solid state battery; and a method of manufacturing the same. The all-solid state battery is manufactured through the steps of: causing a deliquescent solid electrolyte to deliquesce, the deliquescent solid electrolyte having ionic conductivity, electronic conductivity and a deliquescent property; preparing an electrode mixture by mixing the deliquescent solid electrolyte having deliquesced and an active material together; heat-treating and shaping the electrode mixture to produce an electrode; and bonding the thus-produced electrode and a solid electrolyte layer with the solid electrolyte layer interposed between the electrode and another electrode which are paired to serve as a positive electrode and a negative electrode.
Abstract:
To provide both resistance to reduction and high ion conductivity, a solid electrolyte includes a crystal having a structure expressed as A4-2x-y-zBxSn3-yMyO8-zNz (1≦4−2x−y−z