{
  "node": {
    "id": "term:qi-wireless-charging",
    "type": "Term",
    "label": "Qi",
    "properties": {
      "id": "qi-wireless-charging",
      "name": "Qi",
      "aka": [
        "Qi wireless charging",
        "Qi2",
        "Wireless Power Consortium",
        "WPC"
      ],
      "section": "topic-charging",
      "definition": "The Wireless Power Consortium’s standard for inductive charging of small devices through flat coils a few millimetres apart. The transmitter checks for a valid receiver, and for stray metal by foreign-object detection, before sending power; early profiles delivered 5–15 W, and Qi2, which adds magnetic alignment, reached 25 W in its 2.2 release of 2025.",
      "related": [
        "inductive-charging",
        "consumer-electronics",
        "embedded-charger",
        "electromagnetic-compatibility"
      ],
      "url": "https://lemonergy.com/learn/glossary/qi-wireless-charging/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:belongsTo/term:qi-wireless-charging/topic:topic-charging",
      "source": "term:qi-wireless-charging",
      "target": "topic:topic-charging",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:relatedTo/term:qi-wireless-charging/term:inductive-charging",
      "source": "term:qi-wireless-charging",
      "target": "term:inductive-charging",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:qi-wireless-charging/term:consumer-electronics",
      "source": "term:qi-wireless-charging",
      "target": "term:consumer-electronics",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:qi-wireless-charging/term:embedded-charger",
      "source": "term:qi-wireless-charging",
      "target": "term:embedded-charger",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:qi-wireless-charging/term:electromagnetic-compatibility",
      "source": "term:qi-wireless-charging",
      "target": "term:electromagnetic-compatibility",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-charging",
      "type": "Topic",
      "label": "Charging and discharging",
      "properties": {
        "id": "topic-charging",
        "name": "Charging and discharging",
        "lede": "How current goes in and comes out, and the limits that stop it.",
        "context": "Separate regulation from availability.",
        "example": "The same CC–CV law can operate overnight or during a short depot stop.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/capacity-and-c-rate/",
        "lesson_label": "Open charging quantities"
      }
    },
    {
      "id": "term:inductive-charging",
      "type": "Term",
      "label": "Inductive charging",
      "properties": {
        "id": "inductive-charging",
        "name": "Inductive charging",
        "aka": [
          "wireless charging",
          "WPT",
          "SAE J2954"
        ],
        "section": "topic-infrastructure",
        "definition": "Charging without a plug, through coupled coils in the ground and under the vehicle, at about 90 % efficiency when aligned. Static pads suit cars and buses at stops; dynamic charging in the road is in trials.",
        "related": [
          "opportunity-charging",
          "onboard-charger",
          "slow-charging",
          "qi-wireless-charging"
        ],
        "url": "https://lemonergy.com/learn/glossary/inductive-charging/",
        "mentions": []
      }
    },
    {
      "id": "term:consumer-electronics",
      "type": "Term",
      "label": "Consumer electronics",
      "properties": {
        "id": "consumer-electronics",
        "name": "Consumer electronics",
        "section": "topic-applications",
        "definition": "Phones, laptops, wearables and tools: the first mass market for lithium-ion and still the one that pays for the highest energy density. It favours pouch cells with LCO or high-nickel positives and silicon-blended negatives.",
        "related": [
          "lco",
          "pouch-cell",
          "fuel-gauge",
          "smbus",
          "iec-62133",
          "gb-31241"
        ],
        "url": "https://lemonergy.com/learn/glossary/consumer-electronics/",
        "mentions": [
          "energy-density"
        ]
      }
    },
    {
      "id": "term:embedded-charger",
      "type": "Term",
      "label": "Embedded charger",
      "properties": {
        "id": "embedded-charger",
        "name": "Embedded charger",
        "aka": [
          "in-pack charger",
          "integrated charger",
          "charger IC"
        ],
        "section": "topic-charging",
        "definition": "A charging circuit built into the battery pack, so that the pack accepts raw power — a wall adapter, a car socket, USB — and applies the right profile for its own chemistry. One host can then take NiMH, lithium-ion or primary packs interchangeably; the costs are extra heat beside the cells and electronics discarded with the pack.",
        "related": [
          "charger",
          "cc-cv-charging",
          "power-path-management",
          "smart-battery-system"
        ],
        "url": "https://lemonergy.com/learn/glossary/embedded-charger/",
        "mentions": [
          "nickel-metal-hydride"
        ]
      }
    },
    {
      "id": "term:electromagnetic-compatibility",
      "type": "Term",
      "label": "Electromagnetic compatibility",
      "properties": {
        "id": "electromagnetic-compatibility",
        "name": "Electromagnetic compatibility",
        "aka": [
          "EMC",
          "electromagnetic interference",
          "EMI"
        ],
        "section": "topic-data",
        "definition": "The ability of electronics to work without disturbing other equipment or being disturbed by it. A BMS must keep its own emissions low and keep measuring cell voltages accurately next to an inverter switching hundreds of amperes; vehicles prove it under UN R10, with filtering, shielding and layout as the tools.",
        "related": [
          "un-r10",
          "emi-filter",
          "bms",
          "inverter",
          "wiring-harness",
          "iec-61000-6"
        ],
        "url": "https://lemonergy.com/learn/glossary/electromagnetic-compatibility/",
        "mentions": []
      }
    }
  ]
}