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MODULAR BATTERY STRUCTURE

[Category : - ELECTRONICS- MECHANICAL ENGINEERING- RENEWABLE ENERGY]
[Viewed 873 times]

The invention relates to a module system (100) comprising at least one module support (102) and at least one energy storage module (104) that is connected to the at least one module support (102). The module support (102) and the energy storage module (104) have cooling fluid connections, electric contacts, and coupling elements that are adapted to each other.

Description and scenario of usage:
Modern high-voltage energy storage systems consist of modular units of Li-Ion cells. With this concept, modern high-voltage energy storage systems consisting of standardized module units can be configured and implemented flexibly and cost-effectively even for smaller quantities and a large number of variants. Modularization concepts can be found at BMW, e.g. in the i3, i8.

Solved problem with the invention:
So far, the individual module units have been contacted
individually mechanically, electrically and coolant-technically,
which results in high costs and increases the quality assurance effort due to possible contact problems. In addition to the electrical and mechanical connections, the coolant connections between the individual modules must also be individually separated when the modules are replaced, which considerably increases the cost of replacing individual modules and entails the risk of leaks.

Advantages and USP with the invention:
The integration of all key functions such as electrical contacting, thermal contacting and cooling at module level via uniformly defined module interfaces results in significant advantages in the very fast and simple exchangeability of cell modules in the event of damage as well as costeffective production due to high standardization and low application costs.

Financial information

The patent family comprises the following alive granted patents: EP2476151B1, US9112208B2, JP5542209B2, CN102576831B. All patent family members were granted without any restrictions. There were no oppositions against any of the family members. All fees are paid. The patent family was cited 22 times in total.
The invention perfectly meets the current trend of electric vehicle power supply and increasing battery efficiency at low cost. The patent family described was created as part of Behr GmbH & Co KG ‘s R&D work. Behr is a big German car supplier. The patents listed here originate from the field of Li-Ion cells, their low-cost, weight-optimized, modular design, cooling, connection/assembly. The area of thermal management and energy storage was one of the core projects there. This invention addresses key functions such as electrical contacting, thermal contacting and cooling at module level via uniformly defined module interfaces results in significant advantages in the very fast and simple exchangeability.
The acquisition of Behr by Mahle (another big car supplier) also resulted in the abandonment of Behr's original strategy of investing in battery cell production (pouch cells, see arrester patents) and in battery production as a whole (see patent family 1). The patent families described here fall within this period of Behr's original strategy.
Some of the patents from this area were transferred to one of the inventors involved (Prof. Dr. Herrmann) and are now for sale or licensing. For all the inventions described, prototypes or pre-series products were available that demonstrated the technical and economic feasibility.
The sale of the patent portfolio takes place against a bid – a detailed value calculation of each patent family member is available and may be provided on request.

There is no minimum bid even though the patent family was valued to an amazing 7 digit USD value.

Patent publications:

WO 2011026984

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intracom (Germany)

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