Samsung Electronics Co., Ltd.

Karlsruher Institut Fur Technologie

Tohoku Techno Arch Co., Ltd.

Seitaro Ito

Yuichi Aihara

Takanobu Yamada

Satoshi Fujiki

Tomoyuki Tsujimura

Tomoyuki Shiratsuchi

Taku Watanabe

Nobuya Machida

Stefano Passerini

Nobuyoshi Yashiro

Ryo Omoda

Itaru Honma

Ulderico Ulissi

Yuich Aihara

Alberto Varzi

Heidy Hodex Visbalmendoza

Murukanahally Kempaiah Devaraju

An anode for an all solid-state secondary battery, the anode including an anode collector, and coating lithium distribution layer disposed on the anode collector, wherein the lithium distribution layer includes a metal capable of forming an alloy with lithium.

Anode for all solid-state secondary battery, all solid-state secondary battery including the anode, and method of manufacturing the anode

An all-solid secondary battery includes: a cathode layer including a cathode active material; an anode layer; and a solid electrolyte layer disposed between the cathode layer and the anode layer, wherein at least one of the cathode layer, the anode layer, or the solid electrolyte layer includes a phase-transition solid electrolyte material, wherein upon heating, the phase-transition solid electrolyte material undergoes a phase transition from a first phase to a second phase, and the second phase has an ionic conductivity less than the ionic conductivity of the first phase.

Phase-transition solid electrolyte material and all solid secondary battery including the same

An all-solid-state secondary battery including: a positive electrode active material layer including a positive electrode active material and a sacrificial positive electrode material having an oxidation-reduction potential which is less than a discharge voltage of the positive electrode active material; and a negative electrode active material layer including a negative electrode active material including an element alloyable with lithium or that forms a compound with lithium; and a solid electrolyte layer between the positive electrode active material layer and the negative electrode active material layer, wherein the sacrificial positive electrode material includes a sacrificial active material and a conductive agent.

All-solid-state secondary battery

A composite cathode active material including: a core particle; a first coating layer; and a second coating layer; wherein the core particle includes a cathode active material, the first and second coating layers cover a surface of the core particle, the first coating layer includes a first lithium-containing compound, wherein the first lithium-containing compound includes zirconium, niobium, titanium, aluminum, or a combination thereof, the second coating layer includes a second lithium-containing compound, wherein the second lithium-containing compound includes germanium, niobium, gallium, or a combination thereof, and the first lithium-containing compound is different from the second lithium-containing compound.

Composite cathode active material and secondary battery including the same

A method of preparing a sulfide solid electrolyte, the method including: first contacting a starting materials including LiS, PS, and LiI in a first solvent to provide a precursor; and second contacting the precursor with a second solvent to prepare the sulfide solid electrolyte, wherein the first solvent includes a C-Calkyl group or a cyclic ether compound which is unsubstituted or substituted with a C-Calkoxy group, and the second solvent includes a C-Chydrocarbon substituted with a Cto Calkoxy group.

Method of preparing sulfide-based solid electrolyte, sulfide-based solid electrolyte prepared therefrom, and solid secondary battery including the sulfide electrolyte

A lithium secondary battery including: a positive electrode, a negative electrode, and a sulfide solid electrolyte disposed between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material particle and a coating film including an oxide including lithium (Li) and zirconium (Zr) on a surface of the positive active material particle.

Lithium secondary battery

An all-solid-state secondary battery including: a positive electrode layer; a negative electrode layer; and a solid electrolyte layer between the positive electrode layer and the negative electrode layer, wherein the positive electrode layer includes a sulfur-containing positive electrode active material, a halogen-containing sulfide solid electrolyte, and a conductive carbon material, and wherein the sulfur-containing positive electrode active material includes elemental sulfur and a transition metal disulfide.

A positive electrode for a lithium ion secondary battery, the positive electrode including a positive electrode particle including a positive active material particle, wherein the positive electrode particle comprises a first coating layer on a surface of the positive active material particle wherein the first coating layer includes a carbonaceous material, and a second coating layer on the first coating layer, wherein the second coating layer includes a lithium-containing compound, and a sulfide solid electrolyte contacting the positive electrode particle.

Positive electrode for lithium ion secondary battery and lithium ion secondary battery including the same

A lithium ion secondary battery including: a cathode including a plurality cathode active material particles; an electrolyte; and an anode, wherein a cathode active material particle of the plurality of cathode active material particles has a plate-shaped crystal structure having an aspect ratio of 2 to 1000, wherein a major surface in at least one direction of the plate-shaped crystal structure is a 111 face, wherein the cathode active material particle also has a spinel-type crystal structure, and wherein the cathode active material particle has a composition represented by the formula LiCoNiO, wherein 0&#x3c;x&#x3c;2.

Cathode active material particles, lithium ion battery prepared by using the cathode active material particles, and method of preparing the cathode active material particles

An electrolyte for a secondary battery, the electrolyte including: an organic solvent; and a lithium ion conductive solid electrolyte represented by the formulaLiPSwherein 3&#x3c;a&#x3c;5, 1&#x3c;b&#x3c;3, and 6&#x3c;c&#x3c;8, and wherein at least a portion of the solid electrolyte is dissolved in the organic solvent.

Electrolyte solution for secondary battery and secondary battery

A lithium battery and a method of preparing the lithium battery, wherein the lithium battery includes: a cathode layer including a cathode active material including a core, and an ion conductive phosphate coating layer on a surface of the core; an anode layer; and a solid electrolyte layer that is disposed between the cathode layer and the anode layer, wherein the solid electrolyte layer includes a sulfide solid electrolyte.

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Yokohama, Japan

Seitaro Ito