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    Basic Information

Technology developed: Battery Management System (TP19763866134)
Category: Technology Service/Know how
Details of Inventor(s):
Inventor Institution/Organization/Company Department Designation
Dr. A K Thakur IIT Patna Physics Professor
Abhijeet Kumar IIT Patna Physics RA
Saurav Kr Ray IIT Patna Physics JRF
Technical Application Area: Energy/Power
If 'Other', please specify:
Please give more details of new technical application area:
Organization(s):
Indian Institute of Technology (IIT) Patna
Affiliated Ministry: MeitY, Govt. of India
Type of technology development: Indigenous
Does the technology help in replacing any import items currently
procured from outside India?
Yes
Does the technology have export potential? Yes
Category of Technology developed: Import Substitution
Stage of Development: Field Test
Please describe in detail including the TRL Level:
TRL-8

    Abstract:

Applications: A Battery Management System (BMS) is an intelligent component of a lithium battery or lithium battery pack responsible for monitoring and controlling. It is the brain behind the battery and battery pack and plays a vital role in its levels of protection, performance, charge rates, and durability. Energy Storage Solar Applications 2W-3W applications EV applications
Advantages: Imbalance of cells in battery systems is very important matter in the battery system life. Because without the balancing system, the individual cell voltages will drift apart over time. The capacity of the total pack will also decrease more quickly during operation then fail the battery system. Battery system application in electric vehicle is a very important issue, the cell balancing as an important part in the BMS the cells so as to increase the life, the safety of the battery system as well Benefit from the whole battery pack energy. Indigenous Design development and fabrication of the PCM circuit with balancing action for lithium battery pack has been tested. Resistive shunting balancing is used during charging when a cells voltage has reached full voltage limit. At his point the cell is shunted with a resistor which discharges the cell and inhibits further voltage increase. As protection action for upper and lower side achieved as shown in the result but at the same time it also analyzed that balancing action performed to improve the thermal runway, cell degradation, incomplete charging of the battery pack and incomplete use of pack energy.

    Technology Inputs:

Imported Equipment/Spare Parts:
Equipment/Spare Parts Year ITC-HS Code
SMT assembly Machine 2020-21 84798999
Indigenous Equipment/Spare Parts:
Equipment/Spare Parts Year ITC-HS Code
NA NA 00000000
Imported Raw Materials:
Raw Materials Year ITC-HS Code
Protection IC 2020-21 85423100
Indigenous Raw Materials:
Raw Materials Year ITC-HS Code
NA NA 00000000
Existing R&D Facilities used:
Facilities Year ITC-HS Code
PCB fabrication system 2020-21 84798999

   Patents & Publications:

Patents:
Filed Patents (No.) Granted Patents (No.) Year
2 0 2020-21
Publications:
Submitted (No.) Published (No.) Year
0 1 2019-20

    Commercialization Potential:

Who are the Potential Licensees? EV (2-3wheelers) manufacturer Battery Manufacturers Solar panel manufacturers
What commercially available products address
the same problem?
Company Product Problem Addressed
NA None NA
Would you like to develop this invention further with
corporate research support?
Yes
Would you be interested in participating in cluster based
programs for commercialization research or business
planning for your invention?
Yes
      Submitted by: Ranjit Laha Date of Submission: 1-4-2022



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