All solid state battery and anode
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsXimeng Li, Masafumi Nose
Life of this patent
Estimating the term…
Abstract
A main object of the present disclosure is to provide an all solid state battery in which the reversibility of the deposition and dissolution reaction of a metal Li can be improved while inhibiting an occurrence of short circuit. The above object is achieved by providing an all solid state battery utilizing a deposition and dissolution reaction of a metal Li as an anode reaction, the all solid state battery comprising: an anode current collector, a porous layer comprising a resin, a solid electrolyte layer, a cathode active material layer, and a cathode current collector, in this order; wherein an electric resistance of the porous layer is 1Ω or more and 690Ω or less; and a thickness of the porous layer is 14 μm or less.
Claims16
An all solid state battery utilizing a deposition and dissolution reaction of a metal Li as an anode reaction, the all solid state battery comprising:
- an anode current collector, a porous layer comprising a resin, a solid electrolyte layer, a cathode active material layer, and a cathode current collector, in this order;
- wherein
- an electric resistance of the porous layer is 1Ω or more and 690Ω or less;
- a thickness of the porous layer is 14 μm or less,
- the solid electrolyte layer directly contacts the porous layer;
- the porous layer optionally contains an electron conductive material, and
- a content of the electron conductive material in the porous layer is 0 weight % or more and 11 weight % or less.
An anode to be used in an all solid state battery utilizing a deposition and dissolution reaction of a metal Li as an anode reaction, the anode comprising:
- an anode current collector and a porous layer comprising a resin in this order;
- wherein
- an electric resistance of the porous layer is 1Ω or more and 690Ω or less;
- and
- a thickness of the porous layer is 14 μm or less,
- the void of the porous layer is 15% or more;
- the porous layer optionally contains an electron conductive material, and
- a content of the electron conductive material in the porous layer is 0 weight % or more and 11 weight % or less.
Dependencies are inferred from the claim text.