Lg Energy Solution, Ltd.

Lg Chem, Ltd

Daegu Gyeongbuk Institute of Science and Technology

Changhun Park

Minchul Jang

Byoungkuk Son

Eunkyung Park

Junghun Choi

Doyeon Kim

Se Ho Park

Intae Park

Bora Jung

Seong Ho Lee

Da Young Sung

Kiyoung Kwon

Doo Kyung Yang

Kwonnam Sohn

Gyo Hyun Hwang

Suenghoon Han

Taek Gyoung Kim

Suk Il Youn

Dong Hyeop Han

Minehul Jang

Chanyeup Chung

Jongwook Jung

Donghyeon Kang

Seung Yoon Yang

Yeilin Ham

Hyeon Jin Kim

Seongeun Park

Yoonsoo Jung

Myeonghun Song

Hochun Lee

Sungjin Kang

Hyeonji Kim

Eunji Jang

Seonghyo Park

An electrolyte for a lithium-sulfur battery including a lithium salt, a non-aqueous organic solvent, and an additive. The non-aqueous organic solvent includes an ether compound and a heterocyclic compound. The heterocyclic compound includes one or more double bonds and comprises an oxygen atom or a sulfur atom. The additive includes a carbonate compound.

Lithium-sulfur battery electrolyte and lithium-sulfur battery comprising same

A lithium secondary battery including a positive electrode, a negative electrode comprising a negative electrode current collector, and an electrolyte disposed between the positive electrode and the negative electrode; and a lithium metal layer on the negative electrode current collector in the negative electrode. The electrolyte includes a first electrolyte layer and a second electrolyte disposed on the first electrolyte layer, wherein the first electrolyte layer faces the negative electrode, and the second electrolyte layer faces the positive electrode. The first electrolyte layer has higher ion conductivity than the second electrolyte layer, and wherein the lithium metal layer is formed by migration of lithium ions from the positive electrode after charging.

Lithium secondary battery

A lithium secondary battery, in which, by using different electrolytes in a positive electrode and a negative electrode, and using a gel polymer electrolyte, in which a small amount of an electrolyte liquid is impregnated into a polymer matrix, between the negative electrode and the separator, the stability and performance of the electrode may be improved, and therefore, the performance and lifetime of the lithium secondary battery may be enhanced.

A lithium secondary battery including a negative electrode in which a negative electrode mixture included in the negative electrode is formed by charge and discharge of the battery. This negative electrode is formed by charge-induced formation of lithium metal on a negative electrode current collector having a three-dimensional structure form. The lithium secondary battery forms lithium metal while being blocked from the atmosphere. Therefore, formation of a surface oxide layer (native oxide layer) on a negative electrode is blocked and a lithium dendrite growth suppressing effect is achieved by forming lithium metal on a negative electrode current collector having a three-dimensional structure form. The lithium secondary battery has a superior battery efficiency and reduces declines in lifetime properties.

Disclosed is an electrolyte for a secondary battery, and a secondary battery comprising the same, and in particular, to an electrolyte for a secondary battery including an electrolyte salt, an organic solvent and an additive, wherein the additive includes at least one compound selected from the group consisting of a compound having an N&#x2014;Si-based bond and a compound having an O&#x2014;Si-based bond.

Electrolyte for secondary battery and secondary battery comprising same

A lithium secondary battery which is made of an anode-free battery and comprises lithium metal formed on a negative electrode current collector by charging. The lithium secondary battery comprises the lithium metal formed in a state of being shielded from the atmosphere, so that the generation of a surface oxide layer (native layer) formed on the negative electrode according to the prior art does not occur fundamentally, thereby preventing the deterioration of the efficiency and life characteristics of the battery.

A method for preparing a hollow structure, and more particularly, to a method for preparing a hollow structure having various stable structures by using polystyrene particles, into which a functional group is introduced, as a template for preparing the hollow structure.

Method for preparing hollow structure

The present invention relates to a lithium secondary battery, and in particular, to a lithium secondary battery including a positive electrode, a negative electrode, and a separator and an electrolyte interposed between the positive electrode and the negative electrode, wherein a gel polymer electrolyte is included between the negative electrode and the separator, and a liquid electrolyte is included between the positive electrode and the separator. The lithium secondary battery according to the present invention uses a different electrolyte in each of a positive electrode and a negative electrode improving stability and performance of the electrodes, and as a result, performance and a life time of the lithium secondary battery may be enhanced.

An electroplating solution for lithium metal, and a method for preparing a lithium metal electrode using the same, and in particular, while preparing a lithium metal electrode using electroplating, a lithium metal electrode having enhanced surface properties may be prepared by electroplating using a plating solution including a lithium nitrogen oxide and a metal nitrogen oxide, and, by using such a lithium metal electrode in a battery, lifetime properties of the battery may be enhanced.

Electroplating solution for lithium metal, and method for manufacturing lithium metal electrode by using same

The present invention relates to a Li-rich antiperovskite compound and the use thereof, and more particularly, to a Li-rich antiperovskite compound having a novel structure in which a dopant is substituted in a LiOCl compound, wherein the dopant is substituted for an O site rather than an anionic Cl site, as known in the art, and an electrolyte using the same. The Li-rich antiperovskite compound has high lithium ion conductivity and excellent thermal stability, and thus can be applied as an electrolyte for lithium secondary batteries which are driven at a high temperature.

Lithium-rich antiperovskite compound, lithium secondary battery electrolyte comprising same, and lithium secondary battery comprising same

The present specification relates to a lithium-sulfur battery including an anode, a cathode, and an electrolyte provided between the anode and the cathode, and a battery module including the same.

Lithium-sulfur battery and battery module including same

The present application relates to a lithium electrode and a lithium battery including the same.

Lithium electrode and lithium battery including same

The present specification relates to a lithium electrode, a lithium secondary battery including the same, a battery module including the lithium secondary battery, and a method for preparing a lithium electrode.

Lithium electrode, lithium secondary battery comprising same, battery module comprising lithium secondary battery, and preparation method of lithium electrode

A lithium electrode including a porous carbon body; and a lithium metal inserted into pores of the porous carbon body is provided. The lithium electrode may include a lithium ion conductive protective layer formed on at least one surface of the porous carbon body. The lithium electrode can be used as a negative electrode in a lithium secondary battery.

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Daejeon, South Korea

Changhun Park