CNEN

Professional Service

Professional design &
intelligent design

专业设计与智造

Project design development process

项目设计开发流程

电芯选择

符合UL1642  UN38.3

智能评估系统
BMT108

电池管理系统
BMS

EVT-工程项目
评估测试分析阶段
电池组
- 分容
- 配对
- 点焊成组
电池组设计
- 热分布分析
- 震动测试分析
- 大功率放电温升测试分析
电池管理系统设计
- 电路设计布板
- 全功能测试
- 性能测试
DVT- 项目研发
设计验证测试阶段

试生产

确认未来批量产品符合
相关产品设计技术标准

第三方认证

UN38.3/UL认证/IEC等
PVT- 试产
验证阶段
正式批量生产
UL/ISO9001认证工厂
100% 充放电循环老化测试
100% BMS功能与性能测试
MPS- 正式
批量生产阶段
EVT-工程项目
评估测试分析阶段

电芯选择
符合UL1642  UN38.3

智能评估系统
BMT108

电池管理系统

BMS
DVT- 项目研发
设计验证测试阶段
电池组
- 分容
- 配对
- 点焊成组
电池组设计
- 热分布分析
- 震动测试分析
- 大功率放电温升测试分析
电池管理系统设计
- 电路设计布板
- 全功能测试
- 性能测试
PVT- 试产
验证阶段

试生产

确认未来批量产品符合
相关产品设计技术标准

第三方认证

UN38.3/UL认证/IEC等
MPS- 正式
批量生产阶段
正式批量生产
UL/ISO9001认证工厂
100% 充放电循环老化测试
100% BMS功能与性能测试

PVT: PILOT RUN VALIDATION AND TESTING

Validation & Testing:
- In Pilot Run, all functionality of Packs tested by Tester BMT300.
- Reliability testing such as thermal shock testing, over-current testing, short-circuit testing.
- In-Application Programmable through SMBus.

Parameters are updated by PackManager and Simulation Tools BMT100/108.
- Packs will be selected from Pilot Run Lot for the certified service for UL2271/UN38.3/CE…
  • Short Circuit
  • Overcharge
  • Impact
  • Heating
  • Cell Cycle Test
  • Pack Vibration Test

EVT: Cells Pass All UL1642 Testing
with UL Certification

BMTPOW LIMITED
Unit 201, Block D1& Block D2
Henny Industrial District, No. 168, XiaKengYi Road
Baolong Steet, Longgang District
ShenZhen, GuangDong 518112 CHINA
Model No. Secondary Type[d] Max Charging
Current (Ic), mA 		Max Charging
Voltage, V dc[e] 		Test Compliance[f]
BMT INR21700E 30 Lithium ion (Cylindrical) 1500 4.2 1
BMT INR21700E 40 Lithium ion (Cylindrical) 2000 4.2 1
BMT INR21700E 50 Lithium ion (Cylindrical) 2500 4.2 1
BMT INR21700P 30 Lithium ion (Cylindrical) 1500 4.2 0
BMT INR21700P 40 Lithium ion (Cylindrical) 2000 4.2 1
BMT INR21700P 50 Lithium ion (Cylindrical) 2500 4.2 1
ICR18650 2200mAh Lithium ion (Cylindrical) 2200 4.25 1
ICR18650 2600mAh Lithium ion (Cylindrical) 2400 4.25 1
ICR18650 2000mAh Lithium ion (Cylindrical) 2000 4.25 1
ICR20650 2600mAh Lithium ion (Cylindrical) 2600 4.25 1
INR18650 2600mAh Lithium ion (Cylindrical) 2600 4.2 1
  • Short Circuit
  • Overcharge
  • Impact
  • Heating
  • Nail Penetration
  • Drop
  • Samples Pass the Neil Testing
  • Samples Pass the Crush Testing
TEST Conditioning or batteries
Fully charged One half discharged complete discharged
Electrical Tests 5 5 5
Short-circuit 5 5 5
Abnormal charge 5 5 5
Forced-Discharge 5 5 5
Mechanical Tests 5 5 5
Crush 5 5 5
impact 5 5 5
shock 5 5 5
vibration 5 5 5

COMMUNICATION TESTING TOOLS

  • SMBus Port
    SMBus 2.0 communication protocol for smart battery system (SBS), firmware upgrade and parameter setting can be done by connecting the BMT102 Smart Loader.

    RS232 Port
    The RS232 port on the PCM is used to communicate with host system to exchange different kinds of battery information.

DVT: Cells Selection and Modelling
to meet Hover-board Power Requirement.

Cathode Material:
- LiNi0.3Co0.3Mn0.3O2 and LiFePO4 Key Material & +/- Type
- Ceramic Separator; Electrolyte

Form:
- Cylindrical;

Quality Certification:

- UN38.3 and UL1642


Cell Modeling and Safety Testing:
- Cell is charging and discharging in 10C rate under different temperature while the internal resistance and the cycle life is measured.
- Safety testing under extreme condition such as thermal shock, high current charging or discharging, over voltage charging, under voltage discharging etc. until the cell is swelled or deformed with no fire

DVT: BMS and Mechanical Design

  • Use the plastic holder to avoid the cells contact each other during the use.
  • Using heat conducting material to conduct the heat to aluminium enclosure so as to provide the lower temperature inside the pack.
  • Use Aluminium enclosure protect the core pack from external collision.
  • Use only the UL approved cable connector and insulation material
  • Use only flame retardant material for battery enclosure and cabling
  • Fulfil all mechanical test criteria of UN38.3
  • Fulfil all mechanical test criteria of UL2271
  • Design the enclosure so that it is air-tight sealed to prevent oxygen in contact with batteries

DVT: BMS AND MECHANICAL DESIGN

Mature BMS Technologies:
- BMS software design on the self-owned IC BM3328
- Compare with those low cost PCM solutions in the market, our PCM employs high speed 12-bit ADC for both temperature and voltage measurement, and extremely precise 18-bit Coulomb Counter ADC for current measurement.
- BMS3328 is used over 10 yrs and in +500 projects in BMS design experience , establishes a solid and mature BMS PCM for different projects.
  • Schematic Circuit Design
  • PCB Layout Design
Smart Charging Technologies:
When the temperature is lower than 10 deg. C in charging, the BMS will control the charging by pulse modulation.

PVT: PILOT RUN VALIDATION AND TESTING

Validation & Testing:
- In Pilot Run, all functionality of Packs tested by Tester BMT300.
- Reliability testing such as thermal shock testing, over-current testing, short-circuit testing.
- In-Application Programmable through SMBus.

Parameters are updated by PackManager and Simulation Tools BMT100/108.
- Packs will be selected from Pilot Run Lot for the certified service for UL2271/UN38.3/CE…
  • Short Circuit
  • Overcharge
  • Heating
  • Impact
  • Cell Cycle Test
  • Pack Vibration Test

MPS: QUALITY CONTROL BY SELF-BUILT EQUIPMENTS

Cells Auto Welding

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联系我们
德龍動能科技(深圳)有限公司 (总部及开发中心)
A: 中國廣東省深圳市龍崗區寶荷大道76號智慧家園1期1棟A404
T: 0755-82538714
E: info@bmtpow.com
www.bmtpow.com