Corning Incorporated

Chinese Academy of Sciences

Shanghai Institute of Ceramics

Zhaoyin Wen

Michael Edward Badding

Zhen Song

Tongping Xiu

Jun Jin

Yanxia Ann Lu

Xinyuan Liu

Nathan Michael Zink

Xiao Huang

Cai Liu

Yinghong Chen

Jianmeng Su

Qing Peng Wang

Yu Liu

Yang Lu

Jingchao Zhang

Yadong Ruan

Mingli Cai

Liu Yao

Chujun Zheng

Jianing Wang

Yanming Cui

Xiangwei Wu

A lithium-sulfur battery includes a substrate; a sulfur cathode disposed on the substrate; a coating layer disposed on the cathode; a first interlayer disposed on the coating layer; a solid-state electrolyte disposed on the first interlayer; a second interlayer disposed on the electrolyte; and a lithium anode disposed on the second interlayer, such that the coating layer is further disposed within pores of the cathode.

Modified cathodes for solid-state lithium sulfur batteries and methods of manufacturing thereof

A lithium-metal battery, includes: a substrate; a cathode disposed on the substrate; a garnet solid-state electrolyte disposed on the cathode; and a lithium anode disposed on the garnet solid-state electrolyte, such that a modification layer is disposed at an interface of the lithium anode and garnet solid-state electrolyte, the modification layer includes: a first portion; and a second portion, such that the first portion has a lithium component and the second portion has a garnet component. A method of forming a lithium-metal battery, includes: stacking a garnet source with at least one lithium source; and heating the stack at a temperature of at least 300° C. for a time in a range of 1 sec to 20 min to form a modification layer, such that the modification layer is disposed at an interface of the garnet source and the lithium source.

Li/garnet electrolyte interface with low interfacial resistance

A composite ceramic including: a lithium garnet major phase; and a grain growth inhibitor minor phase, as defined herein. Also disclosed is a method of making composite ceramic, pellets and tapes thereof, a solid electrolyte, and an electrochemical device including the solid electrolyte, as defined herein.

Lithium-garnet solid electrolyte composite, tape articles, and methods thereof

A cathode for a lithium-sulfur battery includes a sulfur-based composite layer having a porosity in a range of 60% to 99%; and a conductive polymer disposed atop the composite layer and within pores of the composite layer. Moreover, a method of forming a cathode for a lithium-sulfur battery includes providing a substrate; disposing a sulfur-based slurry layer on the substrate; freeze-drying the slurry layer to form a sulfur-based composite layer having a porosity in a range of 60% to 99%; and disposing a conductive polymer atop the composite layer and within pores of the composite layer.

Cathodes for solid-state lithium sulfur batteries and methods of manufacturing thereof

A sintered composite ceramic includes: a lithium-garnet major phase; and a lithium-rich minor phase, such that the lithium-rich minor phase has LiTiO, with 0.66≤x≤4. The sintered composite ceramic may exhibit a relative density of at least 90% of a theoretical maximum density of the ceramic, an ionic conductivity of at least 0.35 mS·cm, or a critical current density (CCD) of at least 1.0 mA·cm.

Garnet-lithium titanate composite electrolyte

A modified garnet-type solid electrolyte, includes: a garnet-type solid electrolyte; a modification layer, such that the modification layer is formed on at least one side of the garnet-type solid electrolyte, and possesses a three-dimensional crosslinking structure comprising at least one strongly acidic lithium salt and at least one weakly acidic lithium salt. A method of forming a modified garnet-type solid electrolyte, includes: exposing a garnet-type solid electrolyte in air to form a pre-passivation layer; mixing solutions of strong acid and weakly acidic salt to form a mixed solution; chemically treating at least one side of the garnet-type solid electrolyte with the mixed solution; and forming a modification layer on the at least one side of the garnet-type solid electrolyte.

Garnet-type solid electrolytes with modification layer, method of making thereof, and application

A battery includes a substrate; a composite cathode disposed on the substrate; a solid-state electrolyte disposed on the composite cathode; and a lithium anode disposed on the solid-state electrolyte, such that the composite cathode comprises a gel polymer electrolyte layer and a porous cathode active material layer. A method of forming a cathode for a solid-state battery includes mixing an active cathode material, at least one of a conductive carbon component and an electronic conductive component, and a polymer binder to form a slurry; immersing the slurry in an alcohol reagent to form a porous disc structure by phase conversion; and immersing the porous disc structure in a liquid electrolyte to form the cathode.

Gel composite cathode for solid-state batteries and methods of manufacturing thereof

A lithium-sulfur battery includes: a substrate; a composite cathode disposed on the substrate; a solid-state electrolyte disposed on the composite cathode; and a lithium anode disposed on the solid-state electrolyte, such that the composite cathode comprises: active elemental sulfur, conductive carbon, sulfide electrolyte, and ionic liquid.

A lithium-sulfur battery includes: a substrate; a composite cathode disposed on the substrate; a solid-state electrolyte disposed on the composite cathode; and a lithium anode disposed on the solid-state electrolyte, such that the composite cathode comprises: active elemental sulfur, conductive carbon, and sulfide electrolyte, and the sulfide electrolyte is uniformly coated on at least one surface of the conductive carbon. A method of forming a composite cathode for a lithium-sulfur battery includes: synthesizing dispersed carbon fiber from cotton to form carbonized dispersed cotton fiber (CDCF) powder; in-situ coating of the CDCF with an electrolyte component to form a composite powder; and mixing active elemental sulfur powder with the composite powder to form the composite cathode.

Composite cathodes for solid-state lithium sulfur batteries and methods of manufacturing thereof

A lithium-metal battery, includes: a substrate; a cathode disposed on the substrate; a garnet solid-state electrolyte disposed on the cathode; and a lithium anode disposed on the garnet solid-state electrolyte, such that a discoloration layer is disposed at an interface of the lithium anode and garnet solid-state electrolyte, the discoloration layer includes: a first portion; and a second portion, such that the first portion has a lithium component and the second portion has a garnet component. A method of forming a lithium-metal battery, includes: stacking a garnet source with at least one lithium source; and heating the stack at a temperature of at least 300&#xb0; C. for a time in a range of 1 sec to 20 min to form a discoloration layer, such that the discoloration layer is disposed at an interface of the garnet source and the lithium source.

The present invention provides a lithium-air battery air electrode, the air electrode comprises: a collector, an in-situ loading catalyst on collector. The invention also provides a preparation method of the air electrode for lithium-air batteries and the lithium-air batteries. The air electrode of the present invention can greatly improve the performance of the lithium-air battery.

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Shanghai, China

Zhaoyin Wen