Stacked Battery Storage Containers With Shared Power and Flow Interfaces
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Solution Overview
Problem
Existing battery energy storage systems face challenges in terms of efficiency, durability, and environmental conditions, particularly in terms of energy density, cost, and the need for further improvements in battery energy storage systems to overcome, the aforementioned technical challenges.
Innovation Solution
A stackable and modular battery energy storage system with a plurality of stacked containers including a first container and a second container. Each of the plurality of containers includes a housing having an upper face and a lower face. The lower face of the second container is disposed on the upper face of the first container, the first container and the second container forming a stack. At least the first container or the second container includes a battery pack within the housing. Each of the plurality of containers includes one or more flow interfaces and one or more electrical interfaces. At least one electrical interface, of the one or more electrical interfaces of the second container, situated on the lower face of the second container is connected to at least one electrical interface, of the one or more electrical interfaces of the first container, situated on the upper face of the first container. At least one flow interface, of the one or more flow interfaces of the second container, situated on the lower face of the second container is connected to at least one flow interfaces, of the one or more flow interfaces, situated on the upper face of the first container.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If battery energy storage systems are grouped together in limited outdoor space, then energy storage capacity is increased, but environmental conditions and system durability are compromised
Solution Approach 1:
The system is divided into multiple modular container units that can be stacked vertically. Each container is a self-contained module with its own housing, battery pack, and cooling system. This segmentation allows the overall energy storage capacity to be increased by adding more modules without compromising the durability of individual units, as each module can operate independently and is protected from environmental conditions.
Solution Approach 2:
The system transitions from horizontal grouping of containers to vertical stacking arrangement. By utilizing the vertical dimension, the energy storage capacity is increased without requiring additional outdoor space. The stacked configuration also improves system durability by elevating containers off the ground, reducing exposure to environmental conditions such as flooding and ground moisture.
2Quantity of substance
If battery energy storage systems are grouped together in limited space, then energy storage capacity is increased, but cooling requirements and energy efficiency are compromised
Solution Approach 1:
Multiple container modules are combined into a single stacked system with shared cooling infrastructure. The cooling modules are positioned to serve multiple battery packs simultaneously, allowing efficient heat dissipation across the entire energy storage system. This merging approach maintains high energy storage capacity while optimizing cooling energy efficiency through centralized thermal management.
3Quantity of substance
If traditional battery energy storage systems are used, then energy storage is provided, but cost per unit of energy stored and energy density are compromised
Solution Approach 1:
The container modules are designed as universal, multi-functional units that can be deployed in various configurations and locations. Each container serves multiple functions including housing battery packs, providing thermal management, and enabling vertical stacking. This universality reduces manufacturing costs through standardization and improves energy density by optimizing the use of space and materials across the entire system.
Data Source
AI summary
Aspects of the disclosure provide a stackable and modular battery energy storage system. An example energy storage system may include a plurality of stacked containers, each of the plurality of containers includes a housing having an upper face and a lower face; the lower face of a second container is disposed on the upper face of a first container; at least the second container includes a battery pack within the housing; at least one electrical interface situated on the lower face of the second container is connected to at least one electrical interface situated on the upper face of the first container; and at least one flow interface situated on the lower face of the second container is connected to at least one flow interfaces situated on the upper face of the first container.