摘要：【中文】本发明提供了一种电池包充放电测试报告生成的方法，包括如下步骤：读取测试数据文件；识别充放电工步及各个工步的起始终止位置；分割各个工步数据；获取预先设置的不同工步的关键数据并与预先设置的标准比较判定；将关键数据与判定结果写入到报告模板的预先设定位置完成报告。相对于目前行业内普遍采用的人工数据获取和制作测试报告的方式，本发明的方式可大大提高充放电测试报告完成效率，提高报告数据的准确性。 【EN】The invention provides a method for generating a battery pack charge-discharge test report, which comprises the following steps: reading a test data file; identifying the charging and discharging steps and the initial and termination positions of each step; dividing each step data; acquiring preset key data of different steps and comparing the preset key data with preset standards for judgment; and writing the key data and the judgment result into a preset position completion report of the report template. Compared with the mode of acquiring manual data and making a test report commonly adopted in the industry at present, the method provided by the invention can greatly improve the completion efficiency of the charge and discharge test report and improve the accuracy of the report data.

摘要：【中文】本发明提供了一种基于神经网络的电池寿命延长预测方法，所述方法包括如下步骤：1)获取电池寿命循环实验数据；2)选取神经网络，通过实验数据对神经网络进行训练，得到收敛的神经网络模型；3)将数据长度为n的实验数据输入神经网络模型，预测位于实验数据后的数据长度为x的预测数据；4)将实验数据和预测数据作为新的输入，重新训练神经网络模型，得到新的后续的数据长度为x的预测数据；5)判断得到的总的预测数据的长度是否达到目标预测寿命长度，若达到则结束预测过程；若未达到，返回步骤4。本发明通过循环利用数据和循环预测短周数据的方法可以延长传统方法对电池寿命预测的长度，推迟发散的出现长度。 【EN】The invention provides a neural network-based battery life extension prediction method, which comprises the following steps: 1) acquiring battery life cycle experimental data; 2) selecting a neural network, and training the neural network through experimental data to obtain a converged neural network model; 3) inputting experimental data with the data length of n into a neural network model, and predicting prediction data with the data length of x behind the experimental data; 4) taking the experimental data and the prediction data as new inputs, retraining the neural network model, and obtaining new subsequent prediction data with the data length of x; 5) judging whether the length of the obtained total prediction data reaches the target prediction life length or not, and if so, ending the prediction process; if not, returning to the step 4. The invention can prolong the length of the traditional method for predicting the service life of the battery and postpone the occurrence length of divergence by circularly utilizing the data and circularly predicting the short-cycle data.

摘要：【中文】本发明提供了一种在线监控电池内短路异常的方法，所述方法包括如下内容：1)对锂电池进行首次充电，并实时采集所述锂电池两端的电压数据；2)对初始静态电压进行监控分析，判断初始静态电压是否小于等于常数A值，若是则停止对锂电池进行充电；3)对动态电压进行监控分析，统计和分析充电不同电量时的动态电压值和区间化电压增量，识别反馈异常电压行为，若发现异常则停止对锂电池进行充电。本发明针对电池首次充电过程，在线监控和分析其静态电压及动态电压行为，进而识别和反馈内短路异常隐患电池位置，并迅速将对应电池充电停止控制，从而避免电池热失控着火安全事故发生，为安全生产提供有效保障。 【EN】The invention provides a method for monitoring short circuit abnormality in a battery on line, which comprises the following steps: 1) charging a lithium battery for the first time, and acquiring voltage data of two ends of the lithium battery in real time; 2) monitoring and analyzing the initial static voltage, judging whether the initial static voltage is less than or equal to a constant A value, and stopping charging the lithium battery if the initial static voltage is less than or equal to the constant A value; 3) and monitoring and analyzing the dynamic voltage, counting and analyzing the dynamic voltage value and the interval voltage increment when different electric quantities are charged, identifying and feeding back abnormal voltage behaviors, and stopping charging the lithium battery if abnormality is found. The invention monitors and analyzes the static voltage and the dynamic voltage behavior of the battery on line aiming at the first charging process of the battery, further identifies and feeds back the position of the battery with the hidden trouble of internal short circuit abnormality, and rapidly stops the charging of the corresponding battery, thereby avoiding the occurrence of the safety accident of the thermal runaway ignition of the battery and providing effective guarantee for the safe production.

摘要：【中文】本发明提供了一种软包锂离子电池，叠片方法包括如下步骤：将负极极片与隔膜进行热复合粘接形成负极复合体，将负极复合体与正极复合体堆叠、热压粘结后形成芯包。本发明所述的软包锂离子电池的叠片方法中极片与隔膜为单片结构，有效解决隔膜由于张力问题导致的褶皱；极片浸润效果更佳，极间距一致性较高，充放电过程离子传输差距减小，循环性能提升；同时，叠片过程不良率以单元为结构，提高隔膜的利用率，返修率提高，降低过程损耗。 【EN】The invention provides a soft package lithium ion battery, and a lamination method comprises the following steps: and thermally compounding and bonding the negative pole piece and the diaphragm to form a negative pole complex, stacking the negative pole complex and the positive pole complex, and thermally pressing and bonding to form the core package. In the lamination method of the soft package lithium ion battery, the pole piece and the diaphragm are in a single-piece structure, so that the problem of wrinkling of the diaphragm caused by tension is effectively solved; the pole piece infiltration effect is better, the consistency of the pole spacing is higher, the ion transmission difference is reduced in the charging and discharging process, and the cycle performance is improved; meanwhile, the reject ratio in the lamination process takes the unit as a structure, so that the utilization rate of the diaphragm is improved, the repair rate is improved, and the process loss is reduced.

摘要：【中文】本发明提供了一种降低锂离子电池包内氧含量的吸附粉体、复合支撑基底及电池，包括铁粉、氯化物无机盐和脱氧剂，所述铁粉的质量为氯化物无机盐质量的(1‑5)倍，所述氯化物无机盐的含量为脱氧剂质量的(0.7‑1.2)倍。本发明所述的降低锂离子电池包内氧含量的吸附粉体、复合支撑基底及电池，以消除电池包内氧气和水分，甚至发生热失控时依旧能够吸收电芯正极释放的氧气的支撑基底，以此达到预防和控制热失控的发生，提高电池系统的安全性。 【EN】The invention provides adsorption powder for reducing the oxygen content in a lithium ion battery pack, a composite support substrate and a battery, which comprise iron powder, chloride inorganic salt and a deoxidizer, wherein the mass of the iron powder is 1-5 times that of the chloride inorganic salt, and the mass of the chloride inorganic salt is 0.7-1.2 times that of the deoxidizer. The adsorption powder for reducing the oxygen content in the lithium ion battery pack, the composite support substrate and the battery can eliminate oxygen and moisture in the battery pack, and even the support substrate can still absorb oxygen released by the anode of the battery cell when thermal runaway occurs, so that the thermal runaway can be prevented and controlled, and the safety of a battery system is improved.

摘要：【中文】本发明提供了一种壳电阻坏品的快速分析方法，所述方法包括如下步骤：1)对电池进行在线绝缘测试，识别并自动排异壳电阻坏品；2)确认壳电阻坏品的绝缘阻抗值；3)对壳电阻坏品通过线下绝缘测试仪进行绝缘测试复测；4)在壳电阻坏品的负极耳金属带与铝塑膜铝层之间建立电子导通回路，使用充放电设备对其进行充放电循环，直到壳电阻坏品的外观出现腐蚀现象；5)对壳电阻坏品进行拆解分析。本发明通过充放电循环，实现短时间促进壳电阻坏品电池铝塑膜发生腐蚀现象，并通过拆解确认腐蚀点位置内部状态，可以快速锁定壳电阻坏品发生原因，从而快速指导改善活动。 【EN】The invention provides a method for rapidly analyzing a shell resistor defective product, which comprises the following steps: 1) carrying out online insulation test on the battery, and identifying and automatically rejecting the bad products of the shell resistor; 2) confirming the insulation resistance value of the defective shell resistor; 3) carrying out insulation test retesting on the shell resistor defective product through an under-line insulation tester; 4) establishing an electronic conduction loop between the negative electrode tab metal band of the shell resistance defective product and the aluminum layer of the aluminum plastic film, and performing charge-discharge circulation on the electronic conduction loop by using charge-discharge equipment until the appearance of the shell resistance defective product is corroded; 5) and (5) disassembling and analyzing the shell resistor defective product. According to the invention, through charge and discharge cycles, the corrosion phenomenon of the aluminum plastic film of the battery with the bad shell resistance is promoted in a short time, and the internal state of the corrosion point position is confirmed through disassembly, so that the cause of the bad shell resistance can be locked quickly, and the improvement activity is guided quickly.

摘要：【中文】本发明提供了一种用于高电压体系的锂离子电池电解液，包括非水有机溶剂、电解质锂盐与添加剂；所述的添加剂包括三甲基硅烷环状磷酸酯类化合物；其中，R1为氢原子、卤素原子、烷基、烯烃基、氰基或卤代烷的至少一种，R2为氢原子、卤素原子、烷基、烯烃基、氰基或卤代烷中的至少一种。本发明所述的用于高电压体系的锂离子电池电解液采用二氟磷酸锂和三甲基硅烷环状磷酸酯类化合物作为电解液复合功能添加剂，通过三甲基硅烷环状磷酸酯类化合物和二氟磷酸锂的协同效应,在锂离子电池的正极表面能形成致密且稳定的保护膜(CEI膜)，从而有效的改善了高电压下锂离子电池的高温存储性能和高温循环性能。 【EN】The invention provides a lithium ion battery electrolyte for a high-voltage system, which comprises a non-aqueous organic solvent, electrolyte lithium salt and an additive; the additive comprises a trimethyl silane cyclic phosphate compound; wherein R1 is at least one of a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, a cyano group or an alkyl halide, and R2 is at least one of a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, a cyano group or an alkyl halide. The lithium ion battery electrolyte for the high-voltage system adopts lithium difluorophosphate and trimethylsilane cyclic phosphate compound as electrolyte composite functional additives, and a compact and stable protective film (CEI film) can be formed on the surface of the anode of the lithium ion battery through the synergistic effect of the trimethylsilane cyclic phosphate compound and the lithium difluorophosphate, so that the high-temperature storage performance and the high-temperature cycle performance of the lithium ion battery under high voltage are effectively improved.

摘要：【中文】本发明提供了一种电动汽车用锂离子电池全气候日历寿命预测方法，包括以下步骤：S1、建立包含有正负极副反应子模型的锂离子电池热‑电化学耦合仿真模型；S2、对锂离子电池进行不同条件下的搁置实验，将条件参数输入到S1中建立的仿真模型中；S3、测量步骤S2中进行搁置实验的电池性能，根据电池性能对模型参数进行调整和优化；S4、确定副反应的温度相关性；S5、运行计算机仿真模型，得到不同寿命阶段包括全气候影响的性能预测结果。本发明所述的电动汽车用锂离子电池全气候日历寿命预测方法可以预测电池在不同寿命阶段的倍率充放电性能、功率性能、温度性能，可以为BMS系统和热管理系统提供有用且必要的数据。 【EN】The invention provides a lithium ion battery full-climate calendar life prediction method for an electric vehicle, which comprises the following steps of: s1, establishing a lithium ion battery thermal-electrochemical coupling simulation model containing the anode and cathode side reaction sub-models; s2, carrying out shelving experiments on the lithium ion battery under different conditions, and inputting condition parameters into the simulation model established in S1; s3, measuring the battery performance of the shelving experiment in the step S2, and adjusting and optimizing the model parameters according to the battery performance; s4, determining the temperature dependence of the side reaction; and S5, operating the computer simulation model to obtain performance prediction results of different life stages including total climate influence. The lithium ion battery full-climate calendar life prediction method for the electric automobile can predict the multiplying power charge-discharge performance, the power performance and the temperature performance of the battery at different life stages, and can provide useful and necessary data for a BMS system and a thermal management system.

摘要：【中文】本发明创造涉及一种导电复合材料、制备方法及其应用，该导电复合材料为至少由氧化石墨烯、Co(NO₃)₂·6H₂O、Ni(NO₃)₂·6H₂O与六次亚甲基四胺制备所得的NiCoO₂/石墨烯/NiCoO₂三明治结构的复合材料，该层级超薄介孔NiCoO₂/石墨烯/NiCoO₂三明治结构复合材料在1A/g循环350圈后仍然有595mAh/g的比容量，是碳材料理论比容量的1.6倍；因而以本发明的复合负极材料制备的电池不仅具有比目前商业用碳负极材料制备的电池具有更高比容量，体积比容量和体积能量密度也远高于碳负极材料。 【EN】The invention relates to a conductive composite material, a preparation method and application thereof, wherein the conductive composite material is prepared from at least graphene oxide and Co (NO)₃)₂·6H₂O、Ni(NO₃)₂·6H₂NiCoO prepared from O and hexamethylenetetramine₂graphene/NiCoO₂The composite material with a sandwich structure is the ultrathin mesoporous NiCoO of the layer₂graphene/NiCoO₂The specific capacity of the composite material with the sandwich structure still has 595mAh/g after 1A/g circulation for 350 circles, which is 1.6 times of the theoretical specific capacity of the carbon material; therefore, the battery prepared by the composite negative electrode material has higher specific capacity than the battery prepared by the current commercial carbon negative electrode material, and the specific capacity and the volumetric energy density are far higher than those of the carbon negative electrode material.

摘要：【中文】本发明提供了一种复合正极、免集流体复合电极结构及其制备方法和电池，其中，复合正极，包括碳纤维毡，所述碳纤维毡的单面或双面设有复合正极浆料层；所述复合正极浆料层中含有硫碳复合粉料。本发明所述的复合正极，通过采用碳纤维毡做集流体，在避免金属集流体使用，有利于提升能量密度的同时，三维的导电网络结构有利于提高硫正极的导电性，并与碳材料一起构成立体导电体系，能够有效的提升锂硫电池的倍率性能。 【EN】The invention provides a composite anode, a current collector-free composite electrode structure, a preparation method thereof and a battery, wherein the composite anode comprises a carbon fiber felt, and a composite anode slurry layer is arranged on one side or two sides of the carbon fiber felt; the composite anode slurry layer contains sulfur-carbon composite powder. According to the composite anode, the carbon fiber felt is used as the current collector, so that the use of a metal current collector is avoided, the energy density is improved, meanwhile, the three-dimensional conductive network structure is favorable for improving the conductivity of the sulfur anode, and the three-dimensional conductive network structure and the carbon material form a three-dimensional conductive system together, so that the rate capability of the lithium-sulfur battery can be effectively improved.