An optimized internal heating strategy based on ...
About Photovoltaic Energy StorageCompared with continuous direct current self-heating, the battery can be heated up from À10 °C to 10 °C by pulse heating within 175 s while the direct current heating consumes 280 s with ...
About Photovoltaic Energy Storage1. Working principle of rapid self-heating Li-ion battery. (a) Schematic of cell structure with embedded Ni foil and a switch between positive terminal and activation terminal. (b) Electric circuit representation of self-heating process. (c) Schematic of Ni foil location in self-heating cells with 1-sheet design (Ni foil in the middle of cell ...
About Photovoltaic Energy StorageExperimental study on pulse self–heating of lithium–ion battery at low temperature. Int. J. Heat Mass Tran., 135 (2019), pp. 696-705. View PDF View article View in Scopus Google Scholar ... 2018 2nd International Conference on Power, Energy and Environment: towards Smart Technology (ICEPE) (2018), pp. 1-9. Google Scholar [26] …
About Photovoltaic Energy StorageLithium-ion batteries suffer from substantial capacity and power degradation in cold climates, severely deteriorating electric vehicles'' performance. To solve this issue, internal heating schemes are attractive due to their high efficiency, fast speed, and uniform temperature distribution. Nevertheless, high-cost power converters and large …
About Photovoltaic Energy StorageSelf-heating is of extreme importance for improving the available capacity and lifetime of lithium-ion batteries in cold climates. However, few attempts have been done to achieve effective onboard self-heating for the batteries in electric vehicles. This paper derives a high-frequency sine-wave (SW) heater based on resonant LC converters to self …
About Photovoltaic Energy StorageSelf-heating is of extreme importance for improving the available capacity and lifetime of lithium-ion batteries in cold climates. However, few attempts have been done to achieve effective onboard self-heating for the batteries in electric vehicles. This paper derives a high-frequency sine-wave (SW) heater based on resonant LC converters to …
About Photovoltaic Energy StorageBattery internal heating technology could efficiently enhance the power supply capability of Lithium-ion batteries at low temperature. However, existing internal heating research …
About Photovoltaic Energy StorageIn this paper, an optimal pulse heating strategy is proposed for low-temperature heating of lithiumion battery. Firstly, this paper establishes a coupling model to describe the electro-thermal-aging behavior of battery. Secondly, the heating time and capacity loss jointly form a multi-objective optimization problem with the current constraint.
About Photovoltaic Energy StorageThe driving performance of electric vehicles seriously degrades due to the deterioration of lithium-ion batteries at low temperatures. Preheating lithium-ion batteries can effectively improve the driving range of electric vehicles at subzero temperatures. In this paper, an optimal pulse heating strategy is proposed for low-temperature heating of lithiumion …
About Photovoltaic Energy StorageQu et al. [13] developed a pulsed self-heating method for battery heating, which can heat the battery from −10 C to 10 C within 175s while DC heating takes 280s to produce the same effect. Ji et al. [ 14 ] proposed the mutual pulse heating method, which can heat the battery by adding DC-DC between two groups of batteries to generate …
About Photovoltaic Energy StorageEfficient and uniform battery preheating is vitally important to improve the poor performance and safety hazards of lithium-ion batteries (LIB) at low temperatures. All-climate battery (ACB) is a novel battery structure …
About Photovoltaic Energy StorageTo address this issue, a novel pulse heating method for Lithium-ion batteries based on full-bridge buck-boost converter is proposed in this paper. The current …
About Photovoltaic Energy StorageAn optimized internal heating strategy based on ...
About Photovoltaic Energy Storagefor Li-ion batteries and demonstrated that self-resistive heating from −20 C to 20 C takes ~ 120 s and consumes ~ 15% battery energy. For heating from − 20 C to 0 C as in the present context, their cell would require a 60-s heating time and 7.5% energy
About Photovoltaic Energy StorageIn this study, the pulse self-heating strategy is proposed to enable quick and safe warming of lithium-ion battery at low temperature. The battery is heated up …
About Photovoltaic Energy StorageResearch Progress on Pulse Heating Technology of Lithium-ion Battery for Electric Vehicles Yubo Lian,Heping Ling,Qingchan Ma,Qiang Ren,Bin He() BYD Automobile Industry Co.,Ltd.,Shenzhen 518118 ... Research Progress on Pulse Heating Technology of Lithium-ion Battery for Electric Vehicles[J]. Automotive Engineering, 2023, 45(2): 169-174.
About Photovoltaic Energy StorageThe results show that the optimal variable-frequency pulse pre-heating strategy can heat the lithium-ion battery from −20°C to 5°C in 1000 seconds. Meanwhile, …
About Photovoltaic Energy StorageInternal heating heats the LIB with its own resistance, including heating by an excitation current and self-heating from embedding a thin nickel foil as an internal cell heater [4]. Electric motorcycles have strict limits on their weight and volume, so the energy density of the battery pack should be as high as possible, which makes internal heating …
About Photovoltaic Energy StorageThe self-heated all-climate battery cell yields a discharge/regeneration power of 1,061/1,425 watts per kilogram at a 50 per cent state of ... Internal heating technologies: (a) Pulse heating ...
About Photovoltaic Energy StorageComparison on effective value of battery heating currents when the driving circuit operates in the CMI and TMSI mode. (a) the d-axis currents of motor. (b) the d-axis voltages of the motor. (c ...
About Photovoltaic Energy StorageSection snippets Descriptions and control strategy. Fig. 1 presents a schematic diagram of the proposed bidirectional pulse heating circuit. The system includes two battery packs consisting of four 18650 LIBs in series, two metal-oxide-semiconductor field-effect transistors (MOSFETs), a DC/DC converter, four inductances, and four switches.
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