Patent application for battery constant temperature technology
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The invention discloses a kind of constant temperature regulation lithium battery manufacture craft and lithium batteries, including preparation with the positive positive plate of coating and the negative electrode tab of cathode coating；The first diaphragm, negative electrode tab, the second diaphragm and positive plate are sequentially overlapped and are integrally wound into …
A kind of constant temperature regulation lithium battery …
The invention discloses a kind of constant temperature regulation lithium battery manufacture craft and lithium batteries, including preparation with the positive positive plate of coating and the negative electrode tab of cathode coating；The first diaphragm, negative electrode tab, the second diaphragm and positive plate are sequentially overlapped and are integrally wound into …
CN103474714A
The invention discloses a constant-temperature method and system for a power battery of an electromobile. The method is characterized in that firstly the power battery of the electromobile is arranged in a sealed container; secondary the sealed container is respectively communicated with a vacuum pump and a heat exchanger of an electromobile air conditioner; the vacuum pump is …
A kind of battery constant temperature system
The utility model relates to a kind of battery constant temperature systems characterized by comprising battery thermostat, switching circuit, switch controller, temperature detector and...
US Patent Application for Battery Charger with Constant Current …
Justia Patents US Patent Application for Battery Charger with Constant Current Control Loop Patent Application (Application #20200303928) ... and a charge profile configured based on the system status such as V BAT or battery temperature. For example, if soft start is required, charge current can be increased gradually with time. ...
Lithium ion battery specific heat capacity determination method
The invention relates to a lithium ion battery specific heat capacity determination method. The method comprises 1, taking two quadrate lithium batteries, 2, bonding a ceramic membrane heating plate to the surface of one of the quadrate lithium batteries, 3, bonding a same-type cell seal to the heating plate, 4, arranging a thermocouple on the center of the surface of one of the …
CN109119686B
2019-01-01 Publication of CN109119686A publication Critical patent/CN109119686A/en 2020-11-20 Application granted granted Critical ... about the problem that the film forming impedance is increased to influence the use of the lithium iron phosphate battery in a low-temperature environment; the cyclic disulfonate of formula I can reduce the film ...
US Patent Application for A FUEL CELL AND BATTERY HYBRID SYSTEM Patent ...
Justia Patents US Patent Application for A FUEL CELL AND BATTERY HYBRID SYSTEM Patent Application (Application #20230211706) ... the temperature, etc., the incorporation of this technology in vehicle propulsion systems has been slow. ... for a constant current charge phase of the battery, follow the battery voltage and supply maximum current to ...
US Patent Application for Household Energy Storage Constant …
The present application discloses a household energy storage constant temperature battery system, comprising: a battery module including a battery pack and at least …
US20200020980A1
the present application has the following advantages: the present application can solve the problem that the electrode plate with high press density has poor wettability in the electrolyte, so that the low temperature performance and the cycle performance at normal temperature and high temperature of the lithium iron phosphate battery are improved, and the service life of the …
US Patent Application for BANDGAP REFERENCE ...
CROSS-REFERENCE TO RELATED APPLICATION. This application is based on and claims priority from Korean Patent Application No. 10-2019-0152595, filed on Nov. 25, 2019, in the Korean Intellectual Property Office, the disclosure of which is incorporated herein in its entirety by reference. BACKGROUND 1. Field
High-efficiency temperature-constant battery
Patent DNA Extraction. A constant temperature, battery technology, applied in the direction of secondary batteries, battery pack components, circuits, etc., can solve problems such as poor …
Hyundai''s Patents An All-solid-state EV Battery System In The …
Hyundai''s Isostatic Pressure Chamber Ensures Stable Cell Operation. Hyundai''s patented system addresses various challenges by employing a pressurized fluid chamber to envelop the battery cells.
Temperature measurement and information system
1. A temperature measurement and information system, comprising: R eq = - 4 nkT qI B, where Req is the resistance of the second circuit segment, n is a subthreshold slope factor, k is the Boltzmann constant (k=8.617×10−5 eV/k), T is the temperature in Kelvin, q is the electric charge of an electron (q=1.602×10−19 coulombs), and IB is a biasing current,
Recent advances in phase change materials-based battery …
Electric vehicles'' lithium-ion batteries (LIBs) generate abundant heat during charging and discharging. Controlling the batteries'' temperature within the appropriate range using a battery thermal management system (BTMS) is critical to ensure electric vehicle batteries'' safety, efficiency, and cycle life.
10 Startups Innovating the EV Battery Technology
What differentiates the Startup from others? Solid-State Graphene Technology – GQenergy designs and manufactures solid-state graphene batteries. The firm''s battery has an energy density of 252 Wh/kg. A graphene stratification and a physical process formed within the cell allow for a continual regeneration current, maintaining a nearly constant charge.
US Patent Application for BATTERY TEMPERATURE ...
Justia Patents US Patent Application for BATTERY TEMPERATURE ESTIMATION METHOD ... to the Arrhenius formula, G′=Ae RT/E, where A is a constant, Ea is activation energy, and R is a universal gas constant. The relationship between the real ... the feature test frequency may be determined by using the conventional programming technology …
Constant temperature system of power battery
The invention discloses a constant temperature system of a power battery. The constant temperature system comprises a sealed container, a controller, a first circulating branch, and a...
US Patent Application for STATE OF CHARGE (SOC ...
This application is a continuation-in-part of U.S. Non-Provisional patent application Ser. No. 14/285,853, filed May 23, 2014, which claims the benefit of and priority to U.S. Provisional Patent Application No. 61/827,586, filed May 25, 2013 and titled BATTERY PARAMETERS, STATE OF CHARGE (SOC), AND STATE OF HEALTH (SOH) CO-ESTIMATION, all of ...
US Patent Application for SYSTEMS AND METHODS FOR IMPROVED BATTERY ...
The present disclosure provides systems and methods for managing a temperature of a battery energy storage system ("BESS"). ... This application claims the benefit of priority as a continuation to U.S. patent application Ser. No. 17/717,983, filed Apr. 11, 2022, which claims the benefit of priority to U.S. Provisional Application No. 63/ ...
A kind of BTS battery constant temperature system
The invention discloses a kind of BTS battery constant temperature systems, including refrigeration system control, air cooling system control and heating system control, battery both sides are respectively as follows: battery feed liquor temperature end and battery goes out liquid temperature end, battery coolant liquid is filled in the battery, heating system control, the …
US20220115721A1
The present application discloses a household energy storage constant temperature battery system, comprising: a battery module including a battery pack and at least one group of...
US Patent Application for BATTERY THERMAL MANAGEMENT …
The battery temperature requirement can be determined based on testing data, battery specifications, battery efficiency ranges, battery lifetime (e.g., temperature at which …
US Patent Application for TECHNIQUE FOR ESTIMATION OF INTERNAL BATTERY ...
This application claims the benefit of and priority to U.S. Patent Application Ser. No. 63/174,623 filed Apr. 14, 2021, entitled "TECHNIQUE FOR ESTIMATION OF INTERNAL BATTERY TEMPERATURE," and U.S. Patent Application Ser. No. 63/174,646 filed Apr. 14, 2021, entitled "TECHNIQUE FOR ESTIMATION OF INTERNAL BATTERY TEMPERATURE," each …
CN103376412A
The invention provides a constant temperature device required in a battery charge-discharge testing process, and belongs to the technical field of batteries. The constant temperature...
US8754614B2
Various known battery chargers use this voltage drop to drive the battery charging voltage during a constant current mode in order to increase the Ampere-hour (Ah) applied to the battery cell during a constant current mode. By increasing the Ah applied to the battery cell during a constant current mode, the battery cell is charged much faster.
US Patent Application for Stabilized High ...
An improved cathode material is provided which is particularly suitable for use in a lithium ion battery. The cathode material comprises particles comprising an oxide defined by the formula: LiNiaMnbXcGdO2 wherein G is an optional dopant; X is Co or Al; a≥0.5; b+c+d≤0.5; and d≤0.1. Each particle comprises a coating covering a surface of the particle wherein the coating …
CN103474714A
The air conditioner assembled in the electromobile is used as a hot source and a cold source which are used for keeping the constant temperature of the battery; simultaneously, a vacuum …
US Patent Application for LITHIUM-ION BATTERY ...
Justia Patents US Patent Application for LITHIUM-ION BATTERY RECYCLING PROCESSES AND SYSTEMS Patent Application ... Lithium-ion battery technology is considered as the best near-term energy storage technology due to its high power and energy density, long cycle life, high potential and low self-discharge rate. ... Further the high temperature ...
US Patent Application for VOLTAGE BASED ZERO CONFIGURATION BATTERY ...
In one example, the memory 122 is programmed with model parameters 152, including parameters R1, C1, R2, C2 and R0 that represent the impedance of a battery type, and Q max that represents the battery capacity in coulombs. In operation at 202, the processor samples the battery voltage VBAT and the battery temperature one example, the processor …
US Patent Application for SYSTEMS AND METHODS FOR …
Even when the battery is neither being charged nor discharged, it may be optimal to use thermal management systems to control the battery temperature, if the …
Patents Assigned to Contemporary Amperex Technology Co., Limited
Justia - Patents - Patents and Patent Application Resources. Abstract: Provided are a direct current resistance (DCR) detection method for batteries, a system, a device, and a storage medium. Multiple discharging current pulses are applied during the constant current charging process of a battery to form a negative pulse charging mode.
VLV
battery Technology based on patent analysis Xinyue Yuan*, Jie Wua ... the development of pure electric vehicles in key regions of China''s patent applications was compared. ICGDE 2020 IOP Conf. Series: Earth and Environmental Science615 (2020) 012081 ... need for a battery cooling device that can maintain the constant use temperature of the ...
US Patent Application for PULSE BATTERY CHARGER …
The behavior of Li-ion EV battery packs in DC Fast Charging comports with the charging process shown in FIG. 1 in that application of a high rate constant current causes a voltage response that prevents charge from being accepted by the battery at the highest application of constant current for extended periods. Certainly, each automotive OEM ...