Samsung Sdi Co., Inc.

Jun-Sik Kim

Sung-soo Kim

Tae-Keun Kim

Sae-Weon Roh

Man-Seok Han

Jin-Kyu Hong

Chong-Hoon Lee

Nam-Soon Choi

Kyeu-Yoon Sheem

Sung-Soo Kim

Eui-Hwan Song

So-Ra Lee

Jeong-Soon Shin

Ju-Yong Kim

Sung-Chul Lee

Jin-Goo Ahn

Yong-Kul Lee

Seung-Jae Lee

Jae-Myung Kim

Yong-Chul Park

Yoon-Chang Kim

Seok-Gyun Woo

Chan-Ho Lee

Do-Hyung Park

Seong-Jin An

Jong-Ki Lee

Sumihito Ishida

Jake Kim

Su-Hee Han

Seol-Ah Lee

Yong-Kyun Park

Dong-Hyun Kang

Jae-Hyun Hwang

Jae-Min Yang

Yoo-Myung Kang

Po-Jung Hwang

Mee-Young Lee

Jeong-soon Shin

Min-Hwan Kim

Satoshi Narukawa

Soo-An Song

Tae-keun Kim

Jeong Soon Shin

Seo-Jae Lee

A secondary battery includes a base material, an intermediate layer including a carbon material on the base material, and an active material layer on the intermediate layer. A secondary battery including an intermediate layer may improve adhesion between the base material and the active material layer, thereby reducing the risk of separation of the active material from the base material and improving the reliability and lifetime of the secondary battery.

Secondary battery

A pouch for a rechargeable battery having stability by ensuring durability, a manufacturing method thereof, and a rechargeable battery including the same. The pouch includes a case having an opening and including a bottom surface portion, a side portion located along a periphery of the bottom surface portion and including at least one step portion, and a sealing portion located along a periphery of the side portion, and a cover configured to cover the opening of the case.

Pouch for rechargeable battery, fabricating method of the same, and rechargeable battery including the pouch

Disclosed is rechargeable lithium battery that includes a positive electrode including a positive active material layer, a negative electrode including a negative active material and an electrolyte wherein the positive active material layer includes a positive active material, a binder, a conductive material, and an activated carbon, the activated carbon includes micropores in which manganese ions are adsorbed and trapped, and the activated carbon is included in an amount of about 0.1 wt % to about 3 wt % based on the total weight of the positive active material layer.

Positive electrode for rechargeable lithium battery and rechargeable lithium battery including same

Disclosed is a secondary battery which includes an electrode assembly comprising inner stacked electrodes and at least one outermost electrode positioned on at least one end of the inner stacked electrodes; and a case configured to house the electrode assembly. Herein, the at least one outermost electrode comprise an inactive material.

Secondary battery and method of fabricating of the secondary battery

A rechargeable battery including: an electrode assembly; and a case including a receiving portion to house the electrode assembly, a junction portion disposed around the receiving portion, formed by bonded films of the case, and gas outlet disposed in the junction portion. The gas outlet includes a first block portion, a second block portion, and a buffering space disposed between the first and second block portions.

Rechargeable battery

A piezoelectric element layer is further formed as a package material of a secondary battery, so that the secondary battery can be self-charged using a voltage generated in the piezoelectric element layer according to vibration generated in an electronic device and vibration generated by movement of the electronic device itself. The secondary battery includes a battery case that accommodates an electrode assembly, the battery case having an outer coating layer and a piezoelectric element layer formed on an inner surface of the outer coating layer, and a protection circuit module mounted to an outside of the battery case and electrically connected to the electrode assembly. In the secondary battery, a voltage storage is provided to the protection circuit module, and the piezoelectric element layer converts absorbed vibration into voltage and then stores the voltage in the voltage storage so that the secondary battery is self-charged as occasion demands.

A negative electrode active material including mesoporous silica having mesopores filled with a metal and a lithium battery including the same.

Negative electrode active material and lithium battery including the same

A rechargeable battery includes an electrode assembly, a case, and an electrode terminal. The electrode assembly including at least a central negative electrode, a pair of positive electrodes disposed on opposite side of the central negative electrode, and pair of outermost negative electrodes adjacent the pair of positive electrodes with a separator separating all the electrodes from each other. The pair of outermost negative electrodes respectively include a negative current collector and negative active material layers formed on both sides of the negative current collector. The case receives the electrode assembly. The electrode terminal includes a positive terminal connected to a positive electrode and a negative terminal connected to a negative electrode.

A rechargeable battery is disclosed. The rechargeable battery comprises: a central electrode portion comprising a positive electrode, a negative electrode and a separator; a first electrode portion extending from a first end of the central electrode portion; a second electrode portion extending from a second end of the central electrode portion opposite the first end; a central case enclosing the central electrode portion; a first electrode case enclosing the first electrode portion, wherein the first electrode case is coupled to the central case such that an overlapping part of the first electrode case encloses a part of the central electrode portion at the first end, and the central case encloses the overlapping part of the first electrode case; and a second electrode case enclosing the second electrode portion, wherein the second electrode case is coupled to the central case such that an overlapping part of the second electrode case encloses a part of the central electrode portion at the second end, and the central case encloses the overlapping part of the second electrode case.

In one aspect, a battery cell including: an electrode assembly, wherein the electrode assembly includes a first electrode plate, a second electrode plate, and a separator disposed between the first electrode plate and the second electrode plate; electrode tabs connected to the electrode plate and the second electrode plate, and extending from one side of the electrode assembly; a case for sealing the electrode assembly and an electrolyte; and a reinforcing material disposed in at least a region between the electrode assembly and the case, and comprising ceramic material and a polymer gel is provided.

Reinforcing material for battery cell and battery cell including the same

A rechargeable battery comprises an electrode assembly comprising an anode, a cathode, and a separator, a case for receiving the electrode assembly, and an electrode terminal electrically connected to the electrode assembly and drawn outside the case. The anode and the cathode each comprises an electrode uncoated region exposed past the separator and including a current collector at an edge. The electrode terminal comprises a terminal plate having a first terminal portion adhered to a bottom surface of the current collector and a second terminal portion drawn outside the case, and a combiner installed on the terminal plate to surround and adhere to a side surface and a top surface of the current collector.

A rechargeable battery that includes: an electrode assembly generating a current; a case accommodating the electrode assembly therein; and a cap assembly coupled to the case so as to be electrically connected with the electrode assembly. The electrode assembly includes a first electrode, a separator, and a second electrode that are sequentially stacked, and the separator includes a main body part disposed between the first and second electrodes and protrusions formed that protrude from the main body part to the side of at least one of an end portion of the first electrode and an end portion of the second electrode.

An electrode assembly, a rechargeable battery including the same, and a method of manufacturing an electrode thereof, the electrode assembly including a first electrode, the first electrode including a mesh-type first electrode current collector having a plurality of pores, and a first electrode active material layer adhered to the first electrode current collector, wherein an edge active material layer protrudes from a side of the first current collector; a second electrode including a second electrode current collector, and a second electrode active material layer adhered to the second electrode current collector; and a separator interposed between the first and second electrodes.

Electrode assembly, rechargeable battery including the same, and method of manufacturing an electrode thereof

A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly including a positive electrode, a negative electrode, a separator disposed between the positive and negative electrodes and having an expanded portion protruding to the outside of the positive and negative electrodes; a fixing member including a first support contacting a first outer side of the expanded portion, a second support contacting a second outer side, facing the opposite direction of the first outer side, and a joining portion joining the first and second supports; and a terminal electrically connected with the electrode assembly.

A rechargeable battery that can improve heat dissipating characteristics is provided. The rechargeable battery includes: an electrode group including a positive electrode; an electrode group that has at least one terminal; a case that defines a recess that receives the electrode group wherein the case includes an opening that provides access to the recess; a film cover that extends over the opening so as to secure the electrode group within the recess of the case; and a heat dissipating member positioned on the case so as extend outward from the case to dissipate heat from the recess containing the electrode group. Multiple batteries can be assembled into modules where the batteries are stacked so that the film covers are protected from external impact.

Growing community of inventors

Yongin-si, South Korea

Jun-Sik Kim