Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Korea Electronics Technology Institute

Dooyeon Lee

Myungjin Lee

Hyorang Kang

Minsuk Lee

Dukjin Oh

Seungsik Hwang

Kijae Kim

Joungwon Park

Jiyoung Jeong

Jirae Kim

Makoto Odawara

Dohyeong Kim

Moonsung Kang

A secondary battery includes: an anode including an anode active material on an anode active material support; a cathode including a cathode active material on a cathode active material support; a separator between the anode and the cathode; an anode guide extending in a first direction from a first region along an edge of the anode active material support; and a cathode guide extending in a second direction from a second region along an edge of the cathode active material support.

Secondary battery and method of manufacturing the same

An all-solid secondary battery and a method of manufacturing the all-solid secondary battery. The all-solid secondary battery includes: an anode including an anode current collector and a first anode active material layer; a cathode including a cathode active material layer; and a solid electrolyte layer between the anode and the cathode, wherein the first anode active material layer includes an anode active material and an ionic compound, the ionic compound includes a binary compound, a ternary compound, or a combination thereof, and the ionic compound does not include a plurality of sulfur (S) atoms.

All-solid secondary battery and method of manufacturing all-solid secondary battery

A secondary battery includes an electrode assembly including a negative electrode layer, a separation film and a positive electrode layer arranged in a first direction; and a case in which the electrode assembly is accommodated, the case including a first pressing portion which faces a first side surface of the electrode assembly accommodated in the case and applies a first pressing force to the electrode assembly along the first direction. The first pressing portion includes: a first surface facing the first side surface of the electrode assembly accommodated in the case; and a second surface opposite to the first surface and exposed outside the case, the second surface of the first pressing portion including a plurality of first curved grooves arranged along the first side surface of the electrode assembly accommodated in the case and lengthwise extending in a second direction crossing the first direction.

Secondary battery

A redox flow battery including: a cathode cell including a cathode, a catholyte, and a bipolar plate; an anode cell including an anode, an anolyte, and a bipolar plate; and an ion exchange membrane interposed between the cathode cell and the anode cell, wherein at least one of the cathode and the anode comprises a carbon-coated metal foam, wherein the ion exchange membrane includes a porous substrate and a polymer disposed in pores of the porous substrate, wherein the polymer is a polymerization product of a composition for preparing an ion exchange membrane, and wherein the composition for preparing an ion exchange membrane includes a first aromatic vinyl monomer including a halogenated alkyl group or a quaternary ammonium group, and wherein the bipolar plate includes Ni, Cu, Fe, Cr, Al, W, Ti, or a mixture thereof, or an alloy thereof.

Redox flow battery

An ion exchange membrane for a redox flow battery, the anion exchange membrane including a porous substrate; and a polymer disposed in the porous substrate, wherein the polymer is a polymerization product of a composition for forming the ion exchange membrane, wherein the composition includes a first monomer and a second monomer, wherein the first monomer is substituted with a group including an ethylenic unsaturated double bond and includes a cationic heterocyclic compound including a nitrogen heteroatom and a counter anion thereof, and wherein the second monomer is polymerizable with the first monomer and is at least one selected from a (meth)acrylamide compound and a (meth)acrylate compound.

Ion exchange membrane, method of preparing the same, and redox flow battery comprising the same

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.

Growing community of inventors

Yongin-si, South Korea

Dooyeon Lee