Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Joungwon Park

Yonggun Lee

Soyeon Kim

Myungjin Lee

Kyounghwan Kim

Jusik Kim

Huisu Jeong

Toshinori Sugimoto

Hongsoo Choi

Jeongkuk Shon

Hyorang Kang

Seoksoo Lee

Jenam Lee

Hyunseok Kim

Wonseok Chang

Hwiyeol Park

Hosang Park

Yoonsok Kang

Saebom Ryu

Junhyeong Lee

Seungsik Hwang

Jaegu Yoon

Dooyeon Lee

Guesung Kim

Tomonobu Mizumo

Dukjin Oh

Dahye Park

Samuel Robert Cross

Jehwon Choi

Jinsuck Heo

An electrode for a secondary battery includes a current collector; and an active material structure on the current collector, the activate material structure including: at least one first high-density layer, and at least one second high-density layer, the at least one second high-density layer being further away from the current collector as compared to the at least one first high-density layer; and a low-density layer between the at least one first high-density layer and the at least one second high-density layer, wherein a thickness of the at least one second high-density layer is greater than a thickness of the at least one first high-density layer.

Electrode structure for secondary battery, method of manufacturing the same, and secondary battery comprising the same

A secondary battery includes a negative electrode; a positive electrode including a plurality of positive electrode plates spaced apart from each other in a width direction, wherein a positive electrode plate of the plurality of positive electrode plates has a planar shape, and a channel between the plurality of positive electrode plates; an electrolyte material disposed in the channel between the plurality of positive electrode plates; a separation membrane between the negative electrode and the positive electrode; and a first metal layer disposed on a surface of the separation membrane facing the positive electrode.

Secondary battery

A lithium metal battery including: a lithium metal anode; a protective layer disposed on the lithium metal anode, the protective layer including: a polymer and at least one selected from a metal salt including a Group 1 and Group 2 element and a nitrogen-containing additive; a cathode; and a liquid electrolyte disposed between the protective layer and the cathode, the liquid electrolyte including an organic solvent, wherein the at least one selected from metal salt and a nitrogen-containing additive comprising a Group 1 element or Group 2 element is insoluble in the organic solvent of the liquid electrolyte.

Lithium metal battery

A composite electrolyte including a polymeric ionic liquid; and an oligomeric electrolyte, wherein the oligomeric electrolyte includes an oligomer.

Composite electrolyte and lithium battery including the electrolyte

A composite electrolyte including a polymeric ionic liquid; a plurality of inorganic particles; and an organic electrolyte.

Composite electrolyte including polymeric ionic liquid and inorganic particles and lithium battery including the same

A polymer electrolyte for a lithium battery, wherein the polymer electrolyte includes a polymerization product of a lithium ion conductive compound including an ethylenically unsaturated bond, a lithium ion conductive unit, and an ion-exchangeable functional group; and a heteroatom-containing ionic liquid polymerizable with the lithium ion conductive compound.

Polymer electrolyte for lithium battery and lithium battery employing the polymer electrolyte

A lithium metal battery including: a lithium negative electrode including lithium metal; a positive electrode; and an electrolyte interposed between the lithium negative electrode and the positive electrode, wherein the electrolyte contains non-fluorine substituted ether, which is capable of solvating lithium ions, a fluorine substituted ether represented by the following Formula 1, and a lithium salt, wherein an amount of the fluorine substituted ether represented by Formula 1 is greater than an amount of the non-fluorine substituted ether,R&#x2014;{O(CH)}&#x2014;CH&#x2014;O&#x2014;CFH&#x2003;&#x2003;Formula 1

A redox flow battery. A metal-ligand coordination compound including an aromatic ligand that contains an electron withdrawing group is used as the catholyte and/or the anolyte so that a redox flow battery having high energy density and excellent charge/discharge efficiency may be provided.

Redox flow battery

A lithium-transition metal complex compound has an norder hierarchical structure in which n type structures represented by at least one unit of aorder units in a range of 1&#xd7;10&#x2212;(a+5) m to 10&#xd7;10&#x2212;(a+5) m exist in a complex form, wherein n is a natural number that is 2 or greater, and a is a natural number in a range of 1 to 5. The lithium-transition metal complex may be prepared by heat-treating a mixture including a lithium source, a transition metal source, and solvent in contact with a natural material having a hierarchical structure. A lithium battery includes an electrode including the lithium-transition metal complex compound having the norder hierarchical structure. The lithium battery can have improved rapid charging characteristics, high power characteristics, and cycle characteristics.

Lithium-transition metal complex compounds having Nth order hierarchical structure, method of preparing the same and lithium battery comprising an electrode comprising the same

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Yongin-si, South Korea

Joungwon Park