Multi-Port Battery EV Charging for Fast Charging Without 3-Phase Power

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Solution Overview

Problem

Current energy storage systems for electric vehicles (EVs) lack flexibility in charging and discharging, are limited by the need for costly 3-phase power installations for fast charging, and struggle to adapt to evolving EV charger technologies and battery types.

Innovation Solution

The development of smart battery-based EV charging systems with multiple input and output ports, featuring a main control system board and battery management system to manage charging and discharging across multiple battery packs and ports, enabling flexible and adaptable charging solutions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If Level 3 DC fast charging systems are installed to provide fast charging capability, then charging rate is improved, but installation cost increases due to requirement of 3-phase power connections

Engineering Contradiction:

Improvecharging rateVSAvoidinstallation cost

Core Design Contradiction:

SpeedVSEase of manufacture

Solution Approach 1:

The system performs preliminary charging action by using battery packs to store energy during off-peak hours or from available power sources, then delivers fast charging to EVs from stored energy, eliminating the need for expensive 3-phase power installations at charging locations

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

Battery packs serve as an intermediary energy storage device between power sources and EVs, enabling fast charging delivery without requiring direct 3-phase power connections at the charging station location

Inventive Principle:

Principle #24Intermediary (Mediator)

2Adaptability or versatility

If multiple input ports and multiple output ports are provided to support different charging technologies, then adaptability is improved, but device complexity increases

Engineering Contradiction:

Improveadaptability to different EV charging and battery technologiesVSAvoidsystem complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The charging system is designed with multiple input ports and multiple output ports that can accommodate different EV charging standards and battery technologies, allowing a single system to serve multiple functions and different vehicle types

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system employs dynamic control through main control and battery management systems that can selectively connect different battery packs to different input/output ports based on real-time requirements, enabling flexible adaptation without permanent complex wiring configurations

Inventive Principle:

Principle #15Dynamics

3Productivity

If battery charging is optimized at battery pack level with selective connection capability, then charging efficiency is improved, but control system complexity increases

Engineering Contradiction:

Improvecharging efficiencyVSAvoidcontrol system complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The system divides the battery storage into multiple independent battery packs, each capable of being selectively connected to different input and output ports, allowing independent optimization and control of charging operations for improved efficiency

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Battery management systems monitor the state of each battery pack and provide feedback to the main control system, enabling intelligent decision-making for optimal connection configurations that maximize charging efficiency while managing complexity through automated control

Inventive Principle:

Principle #23Feedback

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This solution provides increased flexibility and adaptability for different EV charging and battery technologies, reduces installation costs by allowing for slower, overnight charging with subsequent fast charging from stored energy, and enhances overall efficiency and charging rates.

Implementation Method 1

a plurality of battery packs to receive input electrical power from the plurality of input charging ports and provide output electrical power to the plurality of output discharging ports

Methodology Applied

Scientific EffectBattery (electricity): Battery (electricity)

Data Source

PatentUS20250128628A1Smart battery based electric vehicle charging system with multiple input ports and multiple output ports

Publication Date: 2025.04.24 MOON SUNG UB

AI summary

Embodiments described herein provide smart battery based electric vehicle charging systems with multiple input ports and multiple output ports. The system is flexible and adaptable for different EV charging and battery technologies. Embodiments described herein provide smart mobile or stationary battery based electric vehicle charging systems with multiple input ports and multiple output ports. The system is flexible and adaptable for different EV charging and battery technologies. The system can be a mobile battery based electric vehicle charging systems with multiple input ports and multiple output ports in some embodiments. The system can be a stationary battery based electric vehicle charging systems with multiple input ports and multiple output ports in other embodiments. The system that is stationary can be fixed at a specific location, such as an EV charging facility, a commercial complex EV charging centre, a residential property, or other location.