Samsung Electronics Co., Ltd.

Mie University

Won-sung Choi

Dong-min Im

Dong-joon Lee

Min-sik Park

Sang-bok Ma

Victor Roev

Nobuyuki Imanishi

Osamu Yamamoto

Yasuo Takeda

Tae-young Kim

Ki-Hyun Kim

Seung-sik Hwang

Young-Gyoon Ryu

A composite membrane including ion conductive inorganic particles; and a polymer layer, wherein the ion conductive inorganic particles penetrate the polymer layer. Also, a preparation method thereof, and a lithium-air battery including the composite membrane.

Composite membrane, preparation method thereof, and lithium-air battery including the composite membrane

An air battery cathode including an organic-inorganic composite material including lyophobic nanopores, the organic-inorganic composite material including a porous metal oxide, and a lyophobic layer on a surface of a pore of the porous metal oxide and having a contact angle of greater than about 90&#xb0;; and a binder. Also a lithium air battery including the cathode, and a method of manufacture the cathode.

Cathode, lithium air battery including same, and preparation method thereof

A protected anode including: an anode including lithium or capable of reversibly incorporating lithium ions; and a lithium ion-conductive protective layer on the anode and including a ceramic composite represented by Formula 1:LiAlGeMPO&#x2003;&#x2003;Formula 1wherein M is at least one element selected from titanium (Ti), zirconium (Zr), and germanium (Ge), 0&#x2266;a&#x2266;1, 0&#x2266;b&#x2266;1, 0&#x2266;c&#x2266;1, 0&#x2266;d&#x2266;0.5, 0&#x2266;e&#x2266;0.1, and 0&#x2266;f&#x2266;1.

Protected anode, lithium air battery including the same, and method of preparing ion conductive protective layer

A lithium air battery including an anode for intercalating/deintercalating lithium ions; a cathode having oxygen as a cathode active material, a lithium ion conductive solid electrolyte membrane disposed between the anode and the cathode; and an electrolyte, wherein the electrolyte is disposed between the lithium ion conductive solid electrolyte membrane and the cathode, and wherein the electrolyte includes at least one compound selected from a compound represented by Formula 1 and a copolymer including a repeating unit represented by Formula 2 as an additive: 

Lithium air battery

A lithium battery including a negative electrode including a lithium metal or a lithium alloy; a positive electrode; and a polymer gel electrolyte contacting the negative electrode, wherein the polymer gel electrolyte has an ionic conductivity of about 10S/cm or greater, a lithium ion transference number of about 0.15 or greater, and a lithium ion mobility of about 10cm/V&#xd7;sec or greater, wherein the polymer gel electrolyte includes a lithium salt, a polymer capable of forming a complex with the lithium salt, an insulating inorganic filler, and an organic solvent, wherein the organic solvent is inert with respect to the lithium metal, wherein an anionic radius of the lithium salt is about 2.5 Angstroms or greater, and wherein a molecular weight of the lithium salt is about 145 or greater.

Lithium battery

A positive electrode for a lithium battery including a protected negative electrode containing a lithium metal or a lithium alloy, wherein the positive electrode contains a positive electrode active material, a polyoxometalate compound, and a conductive material. Also provided is a lithium battery including the positive electrode.

Positive electrode for lithium batteries, lithium battery including the positive electrode, and methods of manufacture thereof

A protected anode for lithium air batteries and a lithium air battery including the protected anode are provided. The protected anode includes: an anode intercalates and deintercalates lithium ions; a lithium ion-conductive solid electrolyte membrane; and a polymer electrolyte disposed between the anode and the ion-conductive solid electrolyte membrane, wherein the polymer electrolyte includes a lithium ion-conductive polymer, a compound represented by Formula 1 having a number average molecular weight from about 300 to about 1,000, and a lithium salt, and an amount of the compound of Formula 1 is from about 10 parts to about 25 parts by weight based on 100 parts by weight of the polymer electrolyte:  In Formula 1, Rto R, and n are the same as defined in the specification.

Protected anode for lithium air battery and lithium air battery including the same

The apparatus of charging a rechargeable battery includes a voltage detector which detects a voltage value between terminals of a rechargeable battery, a current generator which generates current for charging the rechargeable battery and outputs the generated current to the terminals of the rechargeable battery, and a controller which controls the current generator based on the voltage value detected by the voltage detector. The current generator outputs a first current for which a direction thereof between the terminals of the rechargeable battery is constant, in a charging period of the rechargeable battery, wherein the first current comprises direct current, and a second current for which a direction thereof between the terminals of the rechargeable battery is periodically reversed, in an intermittent period of the rechargeable battery.

Growing community of inventors

Yongin-si, South Korea

Won-sung Choi