公开(公告)号：US20190277916A1

公开(公告)日：2019-09-12

申请号：US16296826

申请日：2019-03-08

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Chein-Chung SUN ,  Chun-Hung CHOU ,  Deng-Tswen SHIEH ,  Che-Wei CHU

IPC: G01R31/367 ,  H02J7/00 ,  G01R31/3835 ,  G01R31/36 ,  G01R31/374 ,  G08B21/18 ,  H01M10/48 ,  H01M10/44 ,  H01M10/613 ,  H01M10/633 ,  H01M10/42

Abstract: A battery safety identifying method is provided. The method includes the following steps. A voltage drop and a voltage drop rate are detected when a battery is abnormal. A duration time of the voltage drop and a voltage recovery ratio are detected when the battery is abnormal. A surface temperature or a temperature rise rate is detected when the battery is abnormal. A plurality of hazard levels of battery abnormality and at least one protection mechanism are set according to the voltage drop, the voltage drop rate, the voltage recovery ratio and the surface temperature or the temperature rise rate.

公开(公告)号：US20200220238A1

公开(公告)日：2020-07-09

申请号：US16357786

申请日：2019-03-19

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Sheng-Fa YEH ,  Deng-Tswen SHIEH ,  Chein-Chung SUN ,  Tsung Hsiung WANG ,  Shiow Huey JANG SUEN ,  Shih-Ming CHEN

IPC: H01M10/659 ,  H01M10/658 ,  H01M10/6554 ,  H01M10/643

Abstract: A fireproof battery module including a plurality of battery cells and at least one fireproof layer. The battery cells are electrically connected to one another. The at least one fireproof layer is located between two of the plurality of battery cells that are adjacent to each other. The fireproof layer includes a heat absorbing part and a heat insulation part that are connected to each other. The heat absorbing part includes a vaporizable material and a thermal conductivity of the heat insulation part is lower than a thermal conductivity of the heat absorbing part.

公开(公告)号：US20190170802A1

公开(公告)日：2019-06-06

申请号：US16002785

申请日：2018-06-07

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Shou-Hung LING ,  Shih-Hao LIANG ,  Tzi-Cker CHIUEH ,  Deng-Tswen SHIEH ,  Mao-Cheng HUANG

IPC: G01R31/02 ,  G01R31/36

Abstract: A method and a system for detecting resistance of an internal short circuit of a battery are provided. The method includes the following steps. Measuring charging/discharging information of the battery. Calculating a charging/discharging characteristic of the battery according to the charging/discharging information. Aligning the charging/discharging characteristic of the battery according to a comparison characteristic point of a comparison characteristic to obtain an aligned charging/discharging characteristic. Determining whether the battery is normal according to the aligned charging/discharging characteristic or a coulombic efficiency of the battery; and when the battery is determined as abnormal, calculating aligned charging/discharging information according to the aligned charging/discharging characteristic, and calculating the resistance of the internal short circuit of the battery according to the aligned charging/discharging information.

公开(公告)号：US20240030455A1

公开(公告)日：2024-01-25

申请号：US18357000

申请日：2023-07-21

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Deng-Tswen SHIEH ,  Yu-Han LIN ,  Ching-Yi SU

IPC: H01M4/62 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/131

CPC classification number: H01M4/628 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/131 ,  H01M2004/028

Abstract: A positive electrode and a battery employing the same encapsulant composition are provided. The positive electrode includes a positive electrode active layer and a first layer, wherein the first layer is disposed on the positive electrode active layer, and the first layer includes a lithium-iron-phosphorus-containing oxide and a first binder. The electric resistance ratio of the first layer to the positive electrode active layer is greater than or equal to 100.

公开(公告)号：US20210376308A1

公开(公告)日：2021-12-02

申请号：US17331773

申请日：2021-05-27

Applicant: Industrial Technology Research Institute

Inventor： Sheng-Fa YEH ,  Deng-Tswen SHIEH ,  Ching-Yu CHEN ,  Shih-Chieh LIAO ,  Hao-Tzu HUANG

IPC: H01M4/131 ,  H01M50/557

Abstract: An electrode plate includes a metal foil, a first active material layer directly disposed on the top surface of the metal foil, and a second active material layer directly disposed on the bottom surface of the metal foil. The crystalline system of the first active material layer is different from that of the second active material layer.

公开(公告)号：US20240178402A1

公开(公告)日：2024-05-30

申请号：US18519804

申请日：2023-11-27

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Chun-Lung LI ,  Wei-Hsin WU ,  Chia-Chen FANG ,  Deng-Tswen SHIEH ,  Hao-Tzu HUANG

IPC: H01M4/62 ,  H01M4/13

CPC classification number: H01M4/628 ,  H01M4/13 ,  H01M2004/027

Abstract: A negative electrode and a battery employing the same are provided. The negative electrode includes a negative electrode active layer and a protective layer. The protective layer is disposed on the negative electrode active layer, wherein the protective layer includes a nanopowder and a binder. The nanopowder has a specific surface area of 30 m2/g to 1,000 m2/g. The nanopowder has a binding energy less than or equal to −2.5 eV. The weight ratio of the nanopowder to the binder is from 51:49 to 99:1. The nanopowder is a compound having a structure represented by Formula (I)


MiXj  Formula (I)

wherein M is Al, Mg, Zr, Zn, or Si, and X is O or N; i is 1, 2 or 3, and j is 1, 2, 3 or 4.

公开(公告)号：US20210083279A1

公开(公告)日：2021-03-18

申请号：US17026021

申请日：2020-09-18

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Deng-Tswen SHIEH ,  Sheng-Fa YEH ,  Shih-Chieh LIAO ,  Ching-Yu CHEN ,  Hao-Tzu HUANG

IPC: H01M4/485 ,  H01M10/0525 ,  H01M4/36

Abstract: A fast charging lithium-ion battery includes a positive electrode plate, a negative electrode plate, a separator, and an electrolyte. The positive electrode plate includes a positive current collector and a positive active material layers. The negative electrode plate includes a negative current collector and negative active material layers. The negative active material layers include titanium niobium oxide, lithium titanate, or a combination thereof. The separator is disposed between the positive electrode plate and the negative electrode plate. The electrolyte contacts the positive electrode plate and the negative electrode plate. The negative active material layers have an effective area corresponding to the positive electrode plate. The negative active material layers have a thickness on one surface of the negative current collector. A ratio of the effective area to the thickness is greater than 2×105 mm.

公开(公告)号：US20190168617A1

公开(公告)日：2019-06-06

申请号：US15857006

申请日：2017-12-28

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Shou-Hung LING ,  Shih-Hao LIANG ,  Tzi-Cker CHIUEH ,  Deng-Tswen SHIEH ,  Mao-Cheng HUANG

IPC: B60L11/18

Abstract: A method and a system for determining a discharging process of a battery are provided. The method includes the following steps. Measuring charging/discharging information of the battery. Calculating a charging/discharging characteristic of the battery according to the charging/discharging information. Aligning the charging/discharging characteristic of the battery according to a comparison characteristic point of a comparison characteristic to obtain an aligned charging/discharging characteristic. Determining whether the battery is normal according to the aligned charging/discharging characteristic or a coulombic efficiency of the battery. Calculating a safety probability of the battery according to the aligned charging/discharging characteristic and resistance of an internal short circuit of the battery when the battery is determined as abnormal. Determining a discharging process of the battery according to the safety probability of the battery.