Industrial Technology Research Institute

National Taiwan University

National Central University

Chia-Chen Fang

Li-Duan Tsai

Wei-Hsin Wu

Yueh-Wei Lin

Chih-Ching Chang

Sheng-Hui Wu

Jing-Pin Pan

Li-Ju Chen

Tsung-Hsiung Wang

Cheng-Liang Cheng

Chung-Hsiang Chao

Chi-Yang Chao

Kun-Lin Liu

Nae-Lih Wu

Deng-Tswen Shieh

Chiu-Yen Chiu

Chun-Lung Li

Jen-Jeh Lee

Hsien-Ming Kao

Diganta Saikia

Han-Jung Li

Yu Fang Huang

Jing Luo

A composite metal foil and a method of manufacturing the same are provided. The composite metal foil includes at least a first metal layer and a second metal layer. The first metal layer is copper foil, nickel foil, stainless steel foil, or a combination thereof. The second metal layer is disposed on a surface of the first metal layer. A contact angle of a surface of the second metal layer to liquid lithium metal is lower than 90 degrees.

Composite metal foil

An electrode and a lithium-ion battery employing the electrode are provided. The electrode includes an active layer, a conductive layer, and a non-conductive layer. The conductive layer is disposed on the top surface of the active layer. The conductive layer includes a first porous film and a conductive lithiophilic material, and the conductive lithiophilic material is within the first porous film and covers the inner surface of the first porous film. The non-conductive layer includes a second porous film and a non-conductive lithiophilic material, and the non-conductive lithiophilic material is within the second porous film and covers the inner surface of the second porous film. The conductive layer is disposed between the active layer and the non-conductive layer. The binding energy (&#x394;G) of the lithiophilic material with lithium is less than or equal to &#x2212;2.6 eV.

Electrode and lithium-ion battery employing the same

A battery is provided, which includes an anode and a cathode. The anode includes a first current collector and anode active material. The anode active material is lithium metal or lithium alloy. The cathode includes a second current collector and cathode active material. The battery also includes an electrolyte film disposed between the cathode and the anode, and a porous film disposed between the electrolyte film and the anode. The battery includes an anolyte in the porous film between the electrolyte film and the anode, and a catholyte between the electrolyte film and the cathode. The catholyte is different from the anolyte, and the anolyte and the catholyte are separated by the electrolyte film and are not in contact with each other.

Battery

A lithium ion battery is provided, which includes a positive electrode, a negative electrode, and an electrolyte disposed between the positive electrode and the negative electrode. The negative electrode includes a current collector and a &#x3b2;-phase-based polyvinylidene fluoride (&#x3b2;-PVDF) layer coating on the current collector. The &#x3b2;-PVDF layer may have a thickness of 1 &#x3bc;m to 10 &#x3bc;m.

Negative electrode and lithium ion battery

An anode and a lithium ion battery employing the same are provided. The anode includes a lithium-containing layer and a single-ion conductive layer. The single-ion conductive layer includes an inorganic particle, a single-ion conductor polymer, and a binder. The single-ion conductor polymer has a first repeat unit of Formula (I), a second repeat unit of Formula (II), a third repeat unit of Formula (III), and a fourth repeat unit of Formula (IV) wherein Ris OM, SOM, N(SOF)M, N(SOCF)M, N(SOCFCF)M, COOM, or POM; Mis Li, Na, K, Cs, or a combination thereof; and Ris CH, CHCH, or CHCHOCHCH. In particular, the weight ratio of the inorganic particle to the sum of the single-ion conductor polymer and the binder is from 4:1 to 9:1, and the weight ratio of the binder to the single-ion conductor polymer is from 1:1 to 9:1.

Anode and lithium ion battery employing the same

A polyelectrolyte includes a first segment and a second segment, wherein the structure of the first segment is at least one of formula (1) and formula (2); the structure of the second segment is at least one of formula (3) and formula (4). The polyelectrolyte undergoes microphase separation to form a nanoscale ordered self-assembled microstructure. 

Polyelectrolyte and energy storage device

A composite electrode material of a lithium secondary battery and a lithium secondary battery are provided. The composite electrode material of the lithium secondary battery at least includes an electrode active powder and a nanoscale coating layer coated on the surface of the electrode active powder, wherein the nanoscale coating layer is composed of a metastable state polymer, a compound A, a compound B, or a combination thereof. The compound A is a monomer having a reactive terminal functional group, and the compound B is a heterocyclic amino aromatic derivative used as an initiator. The weight ratio of the nanoscale coating layer to the composite electrode material of the lithium secondary battery is 0.005% to 10%.

Composite electrode material of lithium secondary battery and lithium secondary battery

An anode material is provided for a surface of an electrode. The anode material comprises carbon-containing substrates and unsaturated compounds. At least one chemical bond is formed between the unsaturated compounds and the surfaces of the carbon-containing substrates.

Anode material with unsaturated compounds bonded to carbon-containing substrates and anode eletrode plate

The application relates to a gel polymer electrolyte and/or polymer modified electrode materials for lithium batteries. The gel polymer electrolyte or the polymer modified electrode material includes at least a polymer represented by the following formula (I): 

Gel polymer electrolyte and lithium polymer battery

A non-aqueous electrolyte including a lithium salt, an organic solvent, and an electrolyte additive is provided. The electrolyte additive is a meta-stable state nitrogen-containing polymer formed by reacting Compound (A) and Compound (B). Compound (A) is a monomer having a reactive terminal functional group. Compound (B) is a heterocyclic amino aromatic derivative as an initiator. A molar ratio of Compound (A) to Compound (B) is from 10:1 to 1:10. A lithium secondary battery containing the non-aqueous electrolyte is further provided. The non-aqueous electrolyte of this disclosure has a higher decomposition voltage than a conventional non-aqueous electrolyte, such that the safety of the battery during overcharge or at high temperature caused by short-circuit current is improved.

Non-aqueous electrolyte and lithium secondary battery including the same

A solid polymer electrolyte composition having good conductivity and better mechanical strength is provided. The solid polymer electrolyte composition includes at least one lithium salt and a crosslinking polymer containing at least a first segment, a second segment, a third segment, and a fourth segment. The first segment includes polyalkylene oxide and/or polysiloxane backbone. The second segment includes urea and/or urethane linkages. The third segment includes silane domain. The fourth segment includes phenylene structure. Moreover, the solid polymer electrolyte composition further includes an additive for improving ionic conductivity thereof.

Solid polymer electrolyte composition and method of synthesizing the same

A meta-stable state nitrogen-containing polymer formed by reacting Compound (A) and Compound (B) is described. Compound (A) is a monomer having a reactive terminal functional group. Compound (B) is a heterocyclic amino aromatic derivative as an initiator. The molar ratio of Compound (A) to Compound (B) is from 10:1 to 1:10. The meta-stable state nitrogen-containing polymer has a variance less than 2% in its narrow molecular weight distribution after being retained at 55&#xb0; C. for one month.

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Taipei, Taiwan

Chia-Chen Fang