Utilizing numerical simulation and thermodynamic principles, we analyzed the heat transfer efficacy of the bionic liquid cooling module for power batteries. Specifically, we investigated the impact of varying coolant
Customer ServiceThe results showed that the proposed battery heating strategy could heat the tested battery from −20°C to more than 0°C in less than 5 min without damaging the battery health. Zhu et al. [95] investigated the limits of excitation current frequency, amplitude, and voltage on the evolution of battery temperature.
Customer ServiceIn the previous research works, the heat generation of batteries has been determined applying experimental tests. Calorimetry is one of the experimental methods to identify battery heat generation, which has been employed in three different calorimetry approaches to track thermal behavior.
Customer ServiceBidirectional pulsed current (BPC) heating has proven to be an effective method for internal heating. However, current research has primarily focused on the impact of symmetrical BPC on battery
Customer ServiceUtilizing numerical simulation and thermodynamic principles, we analyzed the heat transfer efficacy of the bionic liquid cooling module for power batteries. Specifically, we investigated the impact of varying coolant flow rates and the contact radius between flow channels on the thermal performance of the bionic battery modules.
Customer ServiceDiscover defects in the empirical equations for battery heat generation. Explore the factors affecting battery heat generation. Match battery simulated heat generation rate and
Customer ServiceIn this study, the heat generation behaviors and electro-thermal characteristics of a prismatic LiFePO4 battery with a high nominal capacity of 280Ah at the charging rates of 0.5C and 1C
Customer ServiceThe results show that the proposed battery heating strategy can heat the tested battery from about -20 °C to 0 °C in less than 5 minutes without a negative impact on battery health and the decreased current duration is beneficial to reducing the heating time. This verifies the effectiveness and feasibility of the AC heating for lithium-ion
Customer ServiceAccurately measuring the specific heat capacity of a battery by fast, intuitive, and general experimental methods has significant application value. This paper proposes a simple but precise method (the heating-waiting method) for measuring the specific heat capacity of the battery based on a constant temperature environment.
Customer ServiceThe battery utilizing sandwich inductive heating achieves a temperature increase rate up to 71.4 °C/min, an insignificant temperature deviation less than 6 °C, and a heating efficiency of 79.2%
Customer ServiceDuring the test, the heating plate only heats the target battery in the module, without affecting the surrounding batteries, to maintain the integrity of the experimental results. Design for
Customer ServiceIn recent years, a large number of researchers induced thermal runaway of lithium-ion batteries by external heating and studied the thermal runaway behavior [7], [8], [9], [10].Ping et al. [11] used a 3 kW radiant heater to engender thermal runaway of lithium-ion battery, and studied its fire behavior through a full-scale combustion test platform.
Customer ServiceHigh-frequency ripple current excitation reduces the lithium precipitation risk of batteries during self-heating at low temperatures. To study the heat generation behavior of batteries under high-frequency ripple current excitation, this paper establishes a thermal model of LIBs, and different types of LIBs with low-temperature self-heating schemes are studied based
Customer ServiceIn the previous research works, the heat generation of batteries has been determined applying experimental tests. Calorimetry is one of the experimental methods to identify battery heat generation, which has been employed in three diferent
Customer ServiceAbstract: The discharge and long-term cycle behaviors of a 18650 type Li-ion batteries under different operating environments are studied through experimental tests. As temperature drops to and below -10°C, the accessible capacity of the battery is significantly decreased, which is mainly attributed to the high overpotential arising from the
Customer ServiceIn this study, the heat generation behaviors and electro-thermal characteristics of a prismatic LiFePO4 battery with a high nominal capacity of 280Ah at the charging rates of 0.5C and 1C and initial temperatures of 15oC, 25oC and 35oC were comprehensively explored using an electrochemical-calorimetric method.
Customer ServiceIn the previous research works, the heat generation of batteries has been determined applying experimental tests. Calorimetry is one of the experimental methods to
Customer ServiceWhile the primary aim was to validate the benefits of optimal experimental design in lithium-ion battery aging studies, this dataset offers extensive utility for various applications. They include
Customer ServiceIn the previous research works, the heat generation of batteries has been determined applying experimental tests. Calorimetry is one of the experimental methods to identify battery heat
Customer ServiceAccurately measuring the specific heat capacity of a battery by fast, intuitive, and general experimental methods has significant application value. This paper proposes a simple
Customer ServiceTo study the heat generation behavior of batteries under high-frequency ripple current excitation, this paper establishes a thermal model of LIBs, and different types of LIBs
Customer ServiceFirstly, the 135 Ah lithium-ion battery used in electric vehicles was used as the test object, which was subjected to thermal runaway through electric heating. On this basis, water and hydrogel fire extinguishing experiments were carried out. Secondly, the microstructure of the hydrogel after heat treatment was observed under environmental scanning electron
Customer ServiceDiscover defects in the empirical equations for battery heat generation. Explore the factors affecting battery heat generation. Match battery simulated heat generation rate and actual heat generation rate.
Customer ServiceTo study the heat generation behavior of batteries under high-frequency ripple current excitation, this paper establishes a thermal model of LIBs, and different types of LIBs with low-temperature self-heating schemes are studied based on the established thermal model.
Customer ServiceThe results show that the proposed battery heating strategy can heat the tested battery from about -20 °C to 0 °C in less than 5 minutes without a negative impact on battery
Customer ServiceAbstract: The discharge and long-term cycle behaviors of a 18650 type Li-ion batteries under different operating environments are studied through experimental tests. As temperature drops
Customer ServiceChapters 3–7 of this book introduce model-based battery state estimation methods and low-temperature heating and charging strategies. The development of these algorithms relies on a large amount of targeted battery characteristics data. Therefore, designing a set of reasonable and integrated experimental schemes for the battery becomes the primary
Customer ServiceUnder a low–temperature environment, the following test projects are carried out to clarify the start–up and heat transfer characteristics of the designed TiO 2 –CLPHP under different thermal inputs, reveal the performance of the TiO 2 –CLPHP TMS built with TiO 2 –CLPHP as the core for the battery module heating management, and investigate the
Customer ServiceBattery pack temperature was effectively controlled, with a 15 °C reduction during discharge tests and a 20 °C increase in 30 min during a cold start test, in the HESS prototype Prototype-based testing, simplified conditions, design constraints, limited data, no vehicle integration, no safety assessment, no economic analysis, reliance on assumptions
Customer ServiceBattery Heat Generation Experiment and Simulation The heat generation and temperature characteristics of the battery were studied. The battery is a prismatic lithium-ion battery, model INP27148102A-50AH.
The heat radiation transmission of batteries may be influenced by the color variations of different films. Hence, in order to determine the specific heat capacity of the battery, it was imperative to eliminate any external components affixed to the battery’s surface.
An equivalent circuit model is then proposed and parameterized to predict battery heat generation based on the EIS test datasets. Finally, a multi-stage alternative current strategy is proposed for battery heating, in which the magnitude of the imposed AC is maintained unchanged for a constant time.
The SP heating at 90 W demonstrates the best performance, such as an acceptable heating time of 632 s and the second lowest temperature difference of 3.55 °C. The aerogel improves the discharge efficiency of the battery at low temperature and high discharge current.
The inlet temperature, heating time, and external ambient temperature of the battery heating system all have an effect on the heat balance performance. The temperature uniformity is poor due to the narrow space, and the temperature of the water heating the battery is also decreased with the increase of the distance the water flows through .
In this method, the battery was heated with a heating film whose power is known. The heat emission from the film was quantified through the controlled manipulation of heating duration. During the heating process, the temperature of the battery was recorded, and the value was used to figure out the battery’s specific heat capacity.
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