Lead-acid battery formation process

Abstract

The present invention relates to a lead-acid battery formation process, comprising 14 charging and discharging steps and 1 standing step, wherein the charging and discharging steps include 11 charging steps and 3 discharging steps. The lead-acid battery formation process of the present invention can improve the active material conversion efficiency in the formation stage, improve the initial power performance of the battery, and improve the production qualification rate.

Description

Technical Field

[0001] The invention relates to the technical field of storage batteries, in particular to a formation process for a lead-acid storage battery. Background Art

[0002] Although many new energy sources have been industrialized, lead-acid batteries are still widely used in communications, energy storage and other fields due to their excellent cost-effectiveness and safety. At present, how to improve the performance and factory consistency of batteries has become the focus of battery research. Summary of the invention

[0003] The invention aims to provide a lead-acid battery formation process, which can improve the conversion efficiency of active materials in the formation stage, improve the initial power performance of the battery, and increase the production qualification rate.

[0004] To achieve the above object, the present invention provides the following technical solution: a lead-acid battery formation process, comprising the following steps:

[0005] S1, 0.01C 10 ~0.05C 10 Trickle charge for 3 to 4 hours;

[0006] S2, 0.05C 10 ~0.1C 10 Constant current charging for 8 to 10 hours;

[0007] S3, 0.1C 10 ~0.2C 10 Constant current charging for 8 to 10 hours;

[0008] S4, 0.05C 10 ~0.1C 10 Constant current discharge 0.1 to 0.5 hours;

[0009] S5, 0.1C 10 ~0.2C 10 Constant current charging for 15 to 20 hours;

[0010] S6, 0.1C 10 ~0.2C 10 Constant current discharge 0.1 to 0.5 hours;

[0011] S7, 0.1C 10 ~0.15C 10 Constant current charging for 3 to 6 hours;

[0012] S8, 0.1C 10 ~0.2C 10 Constant current charging for 8 to 10 hours;

[0013] S9, 0.01C10 ~0.05C 10 Constant current charging for 3 to 6 hours;

[0014] S10, let stand for 0.1 to 0.5 hours;

[0015] S11, 0.1C 10 ~0.15C 10 Constant current discharge for 8 to 10 hours;

[0016] S12, 0.1C 10 ~0.15C 10 Constant current charging for 3 to 6 hours;

[0017] S13, 0.1C 10 ~0.15C 10 Constant current charging for 3 to 6 hours;

[0018] S14, 0.01C 10 ~0.05C 10 Constant current charging for 8 to 10 hours;

[0019] S15, 0.001C 10 ~0.005C 10 Charge at constant current for 1 to 2 hours.

[0020] Furthermore, the temperature of the formation process is 41°C to 45°C.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. The lead-acid battery formation process of the present invention uses pulse trickle charging in the first step of formation, and then uses constant current charging to gradually activate the active substances in the lead paste of the lead-acid battery, thereby promoting the overall formation effect;

[0023] 2. The lead-acid battery formation process of the present invention uses a multi-stage charging structure and gradually increases the charging current, thereby improving the energy consumption conversion efficiency in the early stage of formation, improving the initial power performance of the battery, and greatly improving the production qualification rate. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0025] A lead-acid battery formation process comprises the following steps:

[0026] S1, 0.01C 10 ~0.05C 10 Trickle charge for 3 to 4 hours;

[0027] S2, 0.05C 10 ~0.1C 10 Constant current charging for 8 to 10 hours;

[0028] S3, 0.1C 10 ~0.2C 10 Constant current charging for 8 to 10 hours;

[0029] S4, 0.05C 10 ~0.1C 10 Constant current discharge 0.1 to 0.5 hours;

[0030] S5, 0.1C 10 ~0.2C 10 Constant current charging for 15 to 20 hours;

[0031] S6, 0.1C 10 ~0.2C 10 Constant current discharge 0.1 to 0.5 hours;

[0032] S7, 0.1C 10 ~0.15C 10 Constant current charging for 3 to 6 hours;

[0033] S8, 0.1C 10 ~0.2C 10 Constant current charging for 8 to 10 hours;

[0034] S9, 0.01C 10 ~0.05C 10 Constant current charging for 3 to 6 hours;

[0035] S10, let stand for 0.1 to 0.5 hours;

[0036] S11, 0.1C 10 ~0.15C 10 Constant current discharge for 8 to 10 hours;

[0037] S12, 0.1C 10 ~0.15C 10 Constant current charging for 3 to 6 hours;

[0038] S13, 0.1C 10 ~0.15C 10 Constant current charging for 3 to 6 hours;

[0039] S14, 0.01C 10 ~0.05C 10 Constant current charging for 8 to 10 hours;

[0040] S15, 0.001C 10 ~0.005C10 Charge at constant current for 1 to 2 hours.

[0041] Furthermore, the temperature of the formation process is 41°C to 45°C.

[0042] Compared with the prior art, the present invention has the following beneficial effects:

[0043] 1. The lead-acid battery formation process of the present invention uses pulse trickle charging in the first step of formation, and then uses constant current charging to gradually activate the active substances in the lead paste of the lead-acid battery, thereby promoting the overall formation effect;

[0044] 2. The lead-acid battery formation process of the present invention uses a multi-stage charging structure and gradually increases the charging current, thereby improving the energy consumption conversion efficiency in the early stage of formation, improving the initial power performance of the battery, and greatly improving the production qualification rate.

[0045] Example 1

[0046] 800W lead-acid battery was selected as the experimental object;

[0047] A lead-acid battery formation process comprises the following steps:

[0048] S1, 0.05C 10 Trickle charge for 4 hours;

[0049] S2, 0.1C 10 Constant current charging for 8 hours;

[0050] S3, 0.12C 10 Constant current charging for 10 hours;

[0051] S4, 0.1C 10 Constant current discharge for 0.5 hours;

[0052] S5, 0.12C 10 Constant current charging for 20 hours;

[0053] S6, 0.1C 10 Constant current discharge for 0.5 hours;

[0054] S7, 0.12C 10 Constant current charging for 5 hours;

[0055] S8, 0.1C 10 Constant current charging for 8 hours;

[0056] S9, 0.05C 10 Constant current charging for 5 hours;

[0057] S10, let stand for 0.5 hours;

[0058] S11, 0.1C10 Constant current discharge for 10 hours;

[0059] S12, 0.12C 10 Constant current charging for 6 hours;

[0060] S13, 0.1C 10 Constant current charging for 5 hours;

[0061] S14, 0.05C 10 Constant current charging for 10 hours;

[0062] S15, 0.005C 10 Constant current charging for 2 hours.

[0063] The temperature of the formation process is 45°C.

[0064] Example 2

[0065] The 700W lead-acid battery was selected as the experimental object;

[0066] A lead-acid battery formation process comprises the following steps:

[0067] S1, 0.05C 10 Trickle charge for 4 hours;

[0068] S2, 0.1C 10 Constant current charging for 8 hours;

[0069] S3, 0.12C 10 Constant current charging for 10 hours;

[0070] S4, 0.1C 10 Constant current discharge for 0.5 hours;

[0071] S5, 0.12C 10 Constant current charging for 20 hours;

[0072] S6, 0.1C 10 Constant current discharge for 0.5 hours;

[0073] S7, 0.12C 10 Constant current charging for 5 hours;

[0074] S8, 0.1C 10 Constant current charging for 8 hours;

[0075] S9, 0.05C 10 Constant current charging for 5 hours;

[0076] S10, let stand for 0.5 hours;

[0077] S11, 0.1C 10 Constant current discharge for 10 hours;

[0078] S12, 0.12C 10 Constant current charging for 6 hours;

[0079] S13, 0.1C 10 Constant current charging for 5 hours;

[0080] S14, 0.05C 10 Constant current charging for 10 hours;

[0081] S15, 0.005C 10 Constant current charging for 2 hours.

[0082] The temperature of the formation process is 45°C.

[0083] Existing technology:

[0084] 800W lead-acid battery was selected as the experimental object;

[0085] Existing technology forming process:

[0086] S1, 0.06C 10 Constant current charging for 5 hours;

[0087] S2, 0.12C 10 Constant current charging for 24 hours;

[0088] S3, 0.1C 10 Constant current charging for 8 hours;

[0089] S4, 0.12C 10 Constant current charging for 4 hours;

[0090] S5, 0.1C 10 Constant current charging for 8 hours;

[0091] S6, 0.05C 10 Constant current charging for 5 hours;

[0092] S7, let stand for 0.5 hours;

[0093] S8, 0.12C 10 Constant current discharge for 10 hours;

[0094] S9, 0.12C 10 Constant current charging for 4 hours;

[0095] S10, 0.1C 10 Constant current charging for 6 hours;

[0096] S11, 0.05C 10 Constant current charging for 15 hours;

[0097] S12, 0.005C10 Constant current charging for 2 hours.

[0098] The temperature of the formation process is 45°C.

[0099] Compared with the prior art, the basic performance of the battery of the formation process of the present invention is as follows:

[0100] Initial power Overall consistency Embodiment 1 of the present invention 18:40:03 1.21％ Embodiment 2 of the present invention 18:33:27 1.17％ Existing technology forming process 16:31:43 5.43％

[0101] In summary, the lead-acid battery formation process of the present invention uses pulse trickle charging in the first step of formation, and then uses constant current charging to gradually activate the active substances in the lead paste of the lead-acid battery, thereby promoting the overall formation effect; using a multi-stage charging structure, gradually increasing the charging current, so that the energy consumption conversion efficiency in the early stage of formation is improved, and the initial power performance of the battery is improved. In implementation case 1, the initial power of the 800W battery can reach 18:40:03, which is 13% higher than the prior art; the overall consistency is 1.21%, which is 78% higher than the prior art; in implementation case 2, the initial power of the 700W battery can reach 18:33:27, which is 9% higher than the prior art; the overall consistency is 1.17%, which is 66% higher than the prior art; thereby greatly improving the production qualification rate.

[0102] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0103] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is limited by the appended claims and their equivalents.

Claims

1. A lead-acid battery formation process, characterized in that: The following steps are involved: S1, 0.01C 10 ~0.05C 10 Trickle charge for 3 to 4 hours; S2, 0.05C 10 ~0.1C 10 Constant current charging for 8 to 10 hours; S3, 0.1C 10 ~0.2C 10 Constant current charging for 8 to 10 hours; S4, 0.05C 10 ~0.1C 10 Constant current discharge 0.1 to 0.5 hours; S5, 0.1C 10 ~0.2C 10 Constant current charging for 15 to 20 hours; S6, 0.1C 10 ~0.2C 10 Constant current discharge 0.1 to 0.5 hours; S7, 0.1C 10 ~0.15C 10 Constant current charging for 3 to 6 hours; S8, 0.1C 10 ~0.2C 10 Constant current charging for 8 to 10 hours; S9, 0.01C 10 ~0.05C 10 Constant current charging for 3 to 6 hours; S10, let stand for 0.1 to 0.5 hours; S11, 0.1C 10 ~0.15C 10 Constant current discharge for 8 to 10 hours; S12, 0.1C 10 ~0.15C 10 Constant current charging for 3 to 6 hours; S13, 0.1C 10 ~0.15C 10 Constant current charging for 3 to 6 hours; S14, 0.01C 10 ~0.05C 10 Constant current charging for 8 to 10 hours; S15, 0.001C 10 ~0.005C 10 Charge at constant current for 1 to 2 hours.

2. A lead-acid battery formation process according to claim 1, characterized in that: The temperature of the formation process is: 41℃~45℃.