aBMS
Advanced Battery Management System
Page last modified
June 11 2025
The Advanced Battery Management System (aBMS) is an advanced solution developed by Repsol for battery management. This system represents a significant advancement in battery management, combining a detailed understanding of the internal workings of these devices with extended control that optimizes performance and effectively extends their lifespan.
Main Components of aBMS:
1. Physical-Chemical Model: This model consists of a detailed description of the relationships between internal physical variables (such as solid and electrolyte diffusion, ionic conductivity, reaction potentials, etc.) and measurable external variables like voltage, current, and temperature. The model is fed back with measurable variables and, through a filter, it can modify its states according to the real behavior of the measured variables and capture the effect of their use (degradation, among others).
2. Extended Control: Based on the information provided by the physical-chemical model, the extended control flexes or tightens the operating limits to achieve greater functionality for the same level of degradation. This control allows optimal battery operation, adaptability to different types of batteries, and a longer lifespan thanks to adaptive degradation management.
Pros & Limitations
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Precision and Adaptability: The aBMS enables precise monitoring of battery health and charge by simulating internal chemical reactions to estimate critical variables like "lithium plating." It is adaptable to various battery types with minor adjustments, allowing implementation across different manufacturers and chemistries.
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Optimal Performance: The system can dynamically adapt operating limits while effectively managing degradation, achieving up to 20% faster charging under specific conditions. It offers unparalleled control over degradation, positioning itself as an ideal solution for improving efficiency in energy storage systems (BESS).
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Integration and Flexibility: The solution is easily integrable into conventional control boards and can be used under any operating scenario and application. It controls battery operation based on the actual state of each of the cells that compose it.
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Implementation Complexity: Integrating the aBMS into existing battery management systems may involve complex modifications and require specialized knowledge.
Specification
| Title | Description |
|---|---|
| Core Tech | Energy Storage/Battery |
| Industry | Energy Storage |
|
High Precision Model
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The aBMS employs an adapted pseudo bidimensional (P2D) model that balances precision and execution speed. This model integrates the effects of lithium plating and SEI growth, providing accurate estimations of both internal and external variables
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Adaptive Control
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The aBMS features adaptive control of battery operation limits, which can significantly reduce charging times under high current profiles. This adaptive control helps maintain the same level of degradation while maximizing the battery's operational margin
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Advanced Control Module
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The aBMS includes an advanced control module that uses detailed information from the model to precisely control the battery's current limits. This ensures the battery operates within the defined degradation profile, with individual current limits calculated for each cell
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Technology Readiness Level
The Technology Readiness Level (TRL) indicates the maturity level of novel technologies. Learn more about the TRL scale used by us.
[5/9]
Development
Technology demonstration
Mature / Proven
Repsol is a multi-energy company that works to generate energy for today and the future. They operate in over 20 countries across 4 continents, serving around 24 million customers with a range of energy solutions for mobility and home use. Repsol is committed to innovation, sustainability, and digital transformation, with a goal of becoming a net zero emissions company by 2050. Their integrated business model spans upstream exploration and production, industrial refining and chemicals, customer-focused products and services, and low-carbon power generation. Repsol emphasizes corporate governance, ethical practices, and responsible taxation in its operations. The company also invests in technology and innovation through its Repsol Technology Lab and corporate venturing initiatives.
Country of Headquarters
Spain
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