{
  "node": {
    "id": "term:vehicle-to-vehicle",
    "type": "Term",
    "label": "Vehicle-to-vehicle",
    "properties": {
      "id": "vehicle-to-vehicle",
      "name": "Vehicle-to-vehicle",
      "abbr": "V2V",
      "section": "topic-infrastructure",
      "definition": "Transferring energy from one electric vehicle’s battery to another’s through a bidirectional charger and cable, for example to rescue a car stranded with an empty pack. It is one member of the vehicle-to-everything family; the same abbreviation also names radio communication between vehicles.",
      "related": [
        "vehicle-to-everything",
        "vehicle-to-grid",
        "onboard-charger",
        "electric-vehicle"
      ],
      "url": "https://lemonergy.com/learn/glossary/vehicle-to-vehicle/",
      "mentions": [
        "charger"
      ]
    }
  },
  "edges": [
    {
      "id": "edge:99",
      "source": "term:vehicle-to-vehicle",
      "target": "workflow:v2v",
      "type": "usedIn",
      "properties": {
        "sourceFile": "wiki-blocks.json"
      }
    },
    {
      "id": "edge:6763",
      "source": "term:vehicle-to-vehicle",
      "target": "topic:topic-infrastructure",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:6764",
      "source": "term:vehicle-to-vehicle",
      "target": "term:vehicle-to-everything",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6765",
      "source": "term:vehicle-to-vehicle",
      "target": "term:vehicle-to-grid",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6766",
      "source": "term:vehicle-to-vehicle",
      "target": "term:onboard-charger",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6767",
      "source": "term:vehicle-to-vehicle",
      "target": "term:electric-vehicle",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/vehicle-to-vehicle/charger",
      "source": "term:vehicle-to-vehicle",
      "target": "term:charger",
      "type": "mentions",
      "properties": {
        "sourceFile": "terms.json",
        "method": "build_glossary.mention_index + mentions",
        "field": "definition",
        "meaning": "Text mention; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "workflow:v2v",
      "type": "Workflow",
      "label": "Transfer between two batteries",
      "properties": {
        "id": "v2v",
        "title": "Transfer between two batteries",
        "kind": "studio",
        "summary": "Conserving conversion couples donor and recipient.",
        "steps": [
          "Inspect donor reserve and recipient target.",
          "Compare energy drawn and delivered."
        ],
        "example": "5 kW delivered at 90% efficiency needs about 5.56 kW from the donor and produces about 0.56 kW loss.",
        "observe": "Both islands have references and energy flows.",
        "limits": "The example assumes hardware compatibility; it does not establish connector or communication compatibility.",
        "url": "https://design.lemonergy.com/cosim.html?example=charging-v2v",
        "label": "Open the Studio example",
        "evidence": [
          "js/charging-control.js",
          "js/charging-scenarios.js",
          "docs/CHARGING_BLOCKS_SPEC.md"
        ]
      }
    },
    {
      "id": "topic:topic-infrastructure",
      "type": "Topic",
      "label": "Charging infrastructure",
      "properties": {
        "id": "topic-infrastructure",
        "name": "Charging infrastructure",
        "lede": "Where and how vehicles are charged: charging strategies, power levels, connectors and the protocols between vehicle and charger.",
        "context": "Separate compatibility from requested average power.",
        "example": "A 100 kW model request does not establish real voltage, current, connector or negotiation compatibility.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/capacity-and-c-rate/",
        "lesson_label": "Open charging quantities"
      }
    },
    {
      "id": "term:vehicle-to-everything",
      "type": "Term",
      "label": "Vehicle-to-everything",
      "properties": {
        "id": "vehicle-to-everything",
        "name": "Vehicle-to-everything",
        "abbr": "V2X",
        "aka": [
          "vehicle-to-building",
          "V2B",
          "bidirectional power transfer"
        ],
        "section": "topic-infrastructure",
        "definition": "The umbrella term for using a vehicle’s battery as a source as well as a load: vehicle-to-load for appliances, vehicle-to-home, vehicle-to-building, vehicle-to-vehicle and vehicle-to-grid. All need bidirectional power electronics and, beyond the simplest, communication such as ISO 15118-20; the abbreviation is also used for vehicle communication networks.",
        "related": [
          "vehicle-to-grid",
          "vehicle-to-vehicle",
          "grid-to-vehicle",
          "iso-15118",
          "smart-charging",
          "islanding"
        ],
        "url": "https://lemonergy.com/learn/glossary/vehicle-to-everything/",
        "mentions": []
      }
    },
    {
      "id": "term:vehicle-to-grid",
      "type": "Term",
      "label": "Vehicle-to-grid",
      "properties": {
        "id": "vehicle-to-grid",
        "name": "Vehicle-to-grid",
        "abbr": "V2G",
        "aka": [
          "V2L",
          "V2H",
          "bidirectional charging"
        ],
        "section": "topic-infrastructure",
        "definition": "Discharging a vehicle’s battery back into a house or the grid through a bidirectional charger, so parked cars act as storage. Vehicle-to-load and vehicle-to-home are the simpler forms that power appliances or a house directly.",
        "related": [
          "electric-vehicle",
          "stationary-storage",
          "energy-arbitrage",
          "cycle-aging"
        ],
        "url": "https://lemonergy.com/learn/glossary/vehicle-to-grid/",
        "mentions": [
          "charger"
        ]
      }
    },
    {
      "id": "term:onboard-charger",
      "type": "Term",
      "label": "Onboard charger",
      "properties": {
        "id": "onboard-charger",
        "name": "Onboard charger",
        "abbr": "OBC",
        "section": "topic-infrastructure",
        "definition": "The converter inside the vehicle that turns AC from a home or public socket into DC for the pack, typically rated 7–22 kW. DC fast chargers bypass it, which is why they can be so much more powerful.",
        "related": [
          "charger",
          "dc-fast-charging",
          "cc-cv-charging",
          "un-r10",
          "slow-charging"
        ],
        "url": "https://lemonergy.com/learn/glossary/onboard-charger/",
        "mentions": []
      }
    },
    {
      "id": "term:electric-vehicle",
      "type": "Term",
      "label": "Electric vehicle",
      "properties": {
        "id": "electric-vehicle",
        "name": "Electric vehicle",
        "abbr": "EV",
        "aka": [
          "BEV",
          "battery electric vehicle"
        ],
        "section": "topic-applications",
        "definition": "A vehicle driven by an electric motor from a battery charged from the grid. A battery electric vehicle has no engine; it is the largest market for lithium-ion cells and the driver of most pack technology.",
        "related": [
          "hybrid-vehicle",
          "range",
          "pack",
          "regenerative-braking",
          "maritime-battery",
          "industrial-vehicle-battery"
        ],
        "url": "https://lemonergy.com/learn/glossary/electric-vehicle/",
        "mentions": []
      }
    },
    {
      "id": "term:charger",
      "type": "Term",
      "label": "Charger",
      "properties": {
        "id": "charger",
        "name": "Charger",
        "section": "topic-charging",
        "definition": "The power electronics that convert mains or DC supply into the controlled current and voltage a battery needs. For lithium-ion it runs the CC-CV profile within the limits the BMS communicates, and stops rather than floats when the cell is full.",
        "related": [
          "cc-cv-charging",
          "bms",
          "onboard-charger",
          "dc-fast-charging"
        ],
        "url": "https://lemonergy.com/learn/glossary/charger/",
        "mentions": []
      }
    }
  ]
}