Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Korea University Research and Business Foundation

Industry-University Cooperation Foundation Hanyang University

Young-sin Park

Tae-young Kim

Jae-myung Lee

Hong-Koo Baik

Joo-yeal Oh

Sung-man Lee

Seung-wook Baek

Seok-soo Lee

Han-su Kim

Young-Gu Jin

Jae-man Choi

Moon-seok Kwon

Min-sang Song

Young-gu Jin

Un-gyu Paik

Jong-Heun Lee

Tae-seob Song

Jong-heun Lee

Jee-hyun Ahn

A solid ion conductor including a garnet oxide represented by Formula 1:LE(Me,M)O&#x2003;&#x2003;Formula 1wherein L includes Li and is at least one of a monovalent cation and a divalent cation;

Solid ion conductor, solid electrolyte including the same, lithium battery including solid electrolyte, and method of manufacturing lithium battery

A negative electrode includes nanotubes including a metal/metalloid, disposed on a conductive substrate, and having opened ends. A lithium battery includes the negative electrode.

Negative electrode including metal/metalloid nanotubes, lithium battery including the negative electrode, and method of manufacturing the negative electrode

A lithium ion conductor represented by Formula 1:LiAlMgM(PO)&#x2003;&#x2003;Formula 1wherein, in Formula 1, M includes at least one of titanium (Ti), germanium (Ge), zirconium (Zr), hafnium (Hf), and tin (Sn), 0&#x3c;x&#x3c;0.6, and 0&#x3c;y&#x3c;0.2.

Lithium ion conductor, and solid electrolyte, active material, and lithium battery each including the lithium ion conductor

A flexible solid electrolyte includes a first inorganic protective layer, an inorganic-organic composite electrolyte layer including an inorganic component and an organic component, and a second inorganic protective layer, where the inorganic-organic composite electrolyte layer is disposed between the first inorganic protective layer and the second inorganic protective layer, and the inorganic component and the organic component collectively form a continuous ion conducting path.

Flexible solid electrolyte, all-solid-state lithium battery including the flexible solid electrolyte, and method of preparing the flexible solid electrolyte

A solid ion conductor including a garnet oxide represented by Formula 1:L(D,E)(Me,M)O&#x2003;&#x2003;Formula 1wherein

Solid ion conductor, solid electrolyte including the same, lithium battery including the solid electrolyte, and method of manufacturing the solid ion conductor

A thin film for an anode of a lithium secondary battery having a current collector and an anode active material layer formed thereon is provided. The anode active material layer is a multi-layered thin film formed by stacking a silver (Ag) layer and a silicon-metal (Si-M) layer having silicon dispersed in a base made from metal reacting with silicon while not reacting with lithium. The cycle characteristic of the thin film for an anode can be improved by suppressing the volumetric expansion and shrinkage of Si occurring during charging/discharging cycles. Thus, a lithium secondary battery with improved life characteristics by employing the thin film for an anode, which greatly improves the chemical, mechanical stability of the interface between an electrode and an electrolyte.

Method for manufacturing a multi-layered thin film for use as an anode in a lithium secondary battery

A solid electrolyte including a composition represented by Formula 1 below is provided: aLiO-bBO-cM-dX () wherein M is at least one selected from the group consisting of TiO, VO, WO, and TaO; X is at least one selected from LiCl and LiSO; 0.4&#x3c;a&#x3c;0.55; 0.4&#x3c;b&#x3c;0.55; 0.02&#x3c;c&#x3c;0.05; a+b+c=1, and 0&#x2266;d&#x3c;0.2. A method for preparing the solid electrolyte and a battery using the solid electrolyte are also provided. The solid electrolyte exhibits high ionic conductivity. Lithium and thin film batteries using the solid electrolyte are improved in charge/discharge rate, power output, and cycle life.

Solid electrolyte, method for preparing the same, and battery using the same

A solid electrolyte, a method of manufacturing the same, and a lithium battery and a thin-film battery that employ the solid electrolyte are provided. The solid electrolyte contains nitrogen to enhance the ionic conductivity and electrochemical stability of batteries.

Solid electrolyte and battery employing the same

An anode thin film for a lithium secondary battery having a current collector and an anode active material layer formed thereon, wherein the anode active material layer contains an intermetallic compound of tin (Sn) and nickel (Ni). In particular, the intermetallic compound is NiSn.

Anode thin film for lithium secondary battery and preparation method thereof

The present invention provides an anode thin film for a lithium secondary battery having a current collector and an anode active material layer formed thereon. Here, the anode active material layer is a multiple-layer thin film comprising a silicon (Si) layer and a silver (Ag) layer or a single-layer thin film comprising silicon (Si) and silver (Ag).

Growing community of inventors

Suwon-si, South Korea

Young-sin Park